Sample container system

Abstract

The present invention relates to a sample container system (1) for use in a pressurised container (100), having a sample container (2) with a sample container chamber (3) for receiving a sample (P) and with an edge (21) which defines an opening (22); and having a cover (4) for closing the opening (22). The cover (4) has: an insertion portion (41) which can be inserted into the sample container (2) via the opening (22) and by means of which the cover (4) can be moved axially relative to the sample container (2), a flange (43) which extends radially outwards starting from the insertion portion (41) and, when the insertion portion (41) is inserted in the sample container (2), can rest, with a contact side (44), on the edge (21), and a recess (46) which extends axially in an outer face (42) of the insertion portion (41) and then extends radially outwardly in the contact side (44) of the flange such that, when the insertion portion (41) is inserted in the sample container (2) and the contact side (44) of the flange (43) rests on the edge (21), the sample container chamber (3) is fluidically connected via the recess (46) to the surroundings (U) of the sample container system (1). The invention also relates to a pressurised container (100) having a sample container system (1) according to the invention.

Description

[0001] Sample container system

[0002] The invention relates to a sample container system for use in a pressure vessel and a pressure vessel comprising such a sample container system.

[0003] Pressure reactions are performed on samples, for example, to analyze a sample. For this purpose, the sample is placed in a sample container, which is then subjected to a chemical and / or physical pressure reaction in a pressure vessel. The sample container allows for easy insertion and removal of the sample into the pressure vessel.

[0004] Due to the pressure reaction on the sample, the pressure in the sample container may increase, for example, due to an exothermic reaction taking place in the sample container. This pressure increase can have adverse effects. For example, an undesirably rapid pressure increase can damage the sample container or cause other undesirable effects (damage to the sample, falsification of analysis results, etc.).

[0005] It is therefore an object of the present invention to overcome the above-mentioned disadvantages, in particular to better regulate the pressure in a sample container.

[0006] This problem is solved by the subject matter of the independent claims. Advantageous further developments are the subject matter of the dependent claims.

[0007] According to a first aspect, the invention relates to a sample container system for use in a pressure vessel. The sample container system comprises: a sample container having a sample container space for receiving a sample and a rim defining an opening; and a lid for closing the opening.The lid has: a plug-in section which can be plugged into the sample container via the opening and via which the lid can be moved axially relative to the sample container; a flange which extends radially outwards from the plug-in section and, when the plug-in section is plugged into the sample container, can rest on the rim with a support side; and a recess which runs axially in an outer surface of the plug-in section and then radially outwards in the support side of the flange, so that when the plug-in section is plugged into the sample container and the flange rests on the rim with the support side, the sample container space is fluidly connected to the environment of the sample container system via the recess.

[0008] The sample container system makes it particularly easy to regulate the pressure prevailing in the sample container chamber. Firstly, when the lid is inserted into the sample container via its plug-in section, a gas (e.g. a gas required for a reaction in the sample container chamber, for example to build up a pressure intended in the sample container chamber, preferably in the range of 10 to 60 bar) can be supplied to the sample container chamber via the fluidic connection provided by the recess between the environment (e.g. a gas that surrounds the sample container system in a reaction chamber of a pressure vessel, or ambient air) and the sample container chamber, or a gas (e.g. a gas produced in a reaction in the sample container chamber) can be discharged from the sample container.On the other hand, excess pressure in the sample container chamber can cause the plug-in section inserted into the sample container to be moved axially through the opening, thereby equalizing the pressure with the environment. As the plug-in section moves axially through the opening, the recess is simultaneously moved through the opening, at least partially exposing the recess and thus enlarging an opening through which a gas can escape from the recess. If the lid is therefore lifted due to increasing excess pressure in the sample container chamber, a larger gas flow can flow out of the sample container chamber through the enlarged opening, thus preventing an adverse pressure profile and / or an undesirably high pressure in the sample container chamber.

[0009] Thus, there is no risk of parts of the sample container system (in particular the sample container and / or lid) being damaged due to a pressure gradient between the environment and the sample container space. Furthermore, the design of the lid allows for easy pressure regulation in the sample container space, in particular without having to adjust the parameters of a pressure vessel (e.g., pressure regulation in a reaction chamber and / or the supply of a reaction gas) in which the sample container system is used. The lid thus forms a so-called self-regulating lid or, in other words, a container closure with a valve effect.When the plug-in section is plugged into the sample container, it is preferred if the lid can be moved axially relative to the sample container at least between a first position and a second position by means of a stroke, wherein at least a part of the recess is covered by the sample container in the first position and projects beyond the edge and is thus exposed in the second position. The lid can be moved from the first position to the second position, for example, by an increase in pressure in the sample container space. In the first position, a gas preferably flows via the recess into the sample container space, in particular to bring about pressure equalization between the environment and the sample container space and thereby prevent pressure deformation of the container.In the second position, the exposed portion of the recess allows a larger gas flow to exit the sample container chamber through the recess compared to the first position, which can also achieve pressure equalization between the ambient air and the sample container chamber, especially if pressure increases in the latter (e.g., due to a chemical reaction). Pressure regulation in the sample container chamber is thus particularly easy to achieve.

[0010] The sample container preferably extends along a longitudinal axis, wherein, when the plug-in section is plugged into the sample container, the part of the recess running in the outer surface of the plug-in section runs at least partially parallel to the longitudinal axis. As a result, the recess can be moved particularly advantageously relative to the edge of the sample container, for example essentially perpendicularly. This is particularly advantageous for pressure regulation in the sample container space. Furthermore, the recess can thus be provided particularly easily in the outer surface of the plug-in section. The part of the recess running in the support side of the flange preferably extends perpendicular to the longitudinal axis of the sample container.

[0011] Preferably, the recess is slot-shaped. That is, the recess preferably has an elongated shape. Preferably, the recess consists of only one or more straight sections. For example, the recess can consist of only two straight sections, with the first section being provided in the support side of the flange and the second section being provided in the outer surface of the plug-in section.

[0012] The plug-in section preferably has a bottom side (i.e. a side facing away from a top side of the lid) which, when the plug-in section is plugged into the sample container, delimits the sample container space, wherein the recess extends away from the bottom side and / or extends from the bottom side.

[0013] The plug-in section can be at least partially cylindrical and / or conical. The plug-in section can have a round (preferably circular) cross-section. Viewed in cross-section (i.e., in a section perpendicular to the longitudinal axis of the plug-in section), the plug-in section preferably has a circumference that defines the cross-section and corresponds to a round (preferably circular) shape except for the location where the recess is provided.

[0014] The lid can be made at least partially of plastic, preferably comprising PTFE, quartz, and / or glass. This allows the lid to be easily manufactured and advantageously withstands the conditions prevailing in the sample container space (in particular, the physical and / or chemical conditions, e.g., pressure, chemical substances, reactions).

[0015] When the plug-in section is inserted into the sample container and the support side rests on the rim, the flange is preferably flush with the rim. This means that, viewed along the longitudinal axis of the sample container, the flange preferably does not extend beyond the rim. This makes the sample container system particularly compact.

[0016] When the plug-in section is inserted into the sample container and the support side rests on the rim, the part of the recess running along the support side can protrude beyond the rim. In other words, in this inserted state, the recess can extend radially further outward than the rim. Thus, the recess can be easily fluidically connected to the environment.

[0017] The sample container system can have a cover element (e.g. a cover disk or a lid) which is designed to prevent condensate from entering the recess, in particular in the form of drops. For example, the flange (seen in a side view or in the radial direction) can be provided between the cover element and the edge of the sample container. The cover element can be formed integrally with or separately from the lid. In one embodiment, the cover element can be placed on the lid. In addition, the cover element can be designed to prevent condensate from entering the recess of at least one further sample container system which is designed as described above. The cover element is preferably designed such that the condensate (e.g. due to gravity) flows to an edge of the cover element and then flows there at a defined distance from the sample container system (e.g.near a reactor or reactor wall). In particular, the cover element prevents contaminants from penetrating the sample container chamber through the condensate and adversely affecting the sample contained therein. The cover element thus also improves the analysis performed on the sample.

[0018] The sample container system can further comprise a stop element arranged to limit the travel of the lid inserted into the sample container. In other words, the stop element can ensure that the lid can only be lifted relative to the edge of the sample container along a defined maximum path. The stop element can, in particular, prevent the lid from falling out of the sample container or becoming jammed. Furthermore, the stop element can define a maximum gap between the support side of the flange and the edge of the sample container, and thus a maximum opening of the recess.

[0019] According to a second aspect, the invention relates to a pressure vessel. The pressure vessel comprises a sample container system as described above. For example, the pressure vessel may comprise a reaction chamber as a pressure space for initiating and / or promoting chemical and / or physical pressure reactions, wherein the sample container system is arranged in the reaction chamber. One or more sample container systems may be arranged in the pressure vessel, preferably in the reaction chamber. The multiple sample container systems may be held in a sample container receptacle (for example, in the manner of a basket).

[0020] The invention is described below by way of example with reference to the figures, which illustrate preferred embodiments of the invention. They show:

[0021] Figure 1 is a schematic sectional view of a preferred embodiment of the sample container system according to the invention, with the lid in a first position; Figure 2 is a schematic sectional view of the embodiment shown in Figure 1, with the lid in a second position; and

[0022] Figure 3 is a schematic sectional view of a preferred embodiment of the pressure vessel according to the invention, in which several sample container systems are provided, each designed according to the preferred embodiment shown in Figures 1 and 2.

[0023] Figures 1 and 2 show a sample container system 1 according to a preferred embodiment. The sample container system 1 has a sample container 2 with a sample container space 3 for receiving a sample P. Optionally, a liquid F (e.g., a solvent) in which the sample P is dissolved, for example, can also be provided in the sample container space 3. The sample container space 3 can contain the sample P and / or the liquid F, wherein the remaining volume of the sample container rim 3 can be provided, for example, for a gas (e.g., a gas supplied to the sample container space 3 and / or a gas produced during a reaction taking place in the sample container space 3).

[0024] The sample container 2 has a rim 21 that defines an opening 22. The rim 21 and the opening 22 can have a circular shape. The sample P and / or the liquid F can be fed into the sample container space 3 via the opening 22. It is preferred if the sample container 2 has a side wall 23 that delimits the sample container space 3 and has the rim 21. The sample container 2 can have a bottom 24 from which the side wall 23 extends. The sample container 2 is preferably elongated and thus preferably extends axially along a longitudinal axis. Viewed in cross-section (i.e., along a section transverse to the longitudinal axis of the sample container 2), the sample container 2 can have a (circular) cross-section. The sample container 2 is preferably a test tube.

[0025] The sample container system 1 further comprises a lid 4 configured to close the opening 22. The lid 4 has a plug-in section 41 with an outer surface 42. The lid can be plugged, in particular stuffed, into the sample container 2, namely via the opening 22, via the plug-in section 41. In this plugged-in state, at least a portion of the outer surface 42 is in contact with the sample container 2, in particular with an inner side thereof. The plug-in section 41 preferably forms a press fit with the sample container 2. This means that, in a state in which the plug-in section 41 is plugged into the sample container 2, at least a portion of the outer surface 42 is pressed or pressed against a wall section of the sample container 2 due to an elastic restoring force of the plug-in section 41. In other words, the outer surface 42 forms a pressing surface of the plug-in section 41 that interacts with the sample container 2.When inserted into the sample container 2, the plug-in section 41 is preferably held in a force-fitting manner, in particular pressed, between wall sections which, for example, the side wall 23 has.

[0026] The lid 4 can also be moved axially relative to the sample container 2 via the plug-in section 41. In other words, the sample container 2 serves as a guide for the axial movement (i.e. displacement) of the plug-in section 41 relative to the sample container 2. Due to this suitability for axial movement, the lid 4 can be moved in particular away from the base 24 and towards the base 24 or, if present, away from the sample P and towards the sample P. The movement of the axial movement of the lid 4 preferably takes place along an axis of movement which can be parallel to the longitudinal axis of the sample container 2. The plug-in section 41 is not restricted to a specific shape. It is preferred if the plug-in section 41, as shown by way of example in Figures 1 and 2, is at least partially cylindrical and thus essentially has a (circular) cross-section. Alternatively or additionally, it can be provided that the plug-in section 41 has a conical shape.

[0027] The lid 4 further comprises a flange 43 which (viewed in a plan view, which corresponds, for example, to a view in the direction of the axis (e.g., axis of symmetry) of the plug-in section 41) extends radially outward from the plug-in section 41. Thus, for example, it can be provided that the flange 43 has a larger diameter than the plug-in section 41. When the plug-in section 41 is inserted into the sample container 2, the flange 43 is preferably flush with the rim 21. The flange 43 can have a diameter that substantially corresponds to the diameter of the sample container 2. In other embodiments, the flange 43 can also extend beyond the rim 21. Furthermore, the diameter of the flange 43 can be larger than the diameter of the sample container 2.The diameter of the sample container 2 is defined as the diameter that defines an outer surface of the sample container 2 facing away from the sample container space 3 and / or a radially outer end of the rim 21.

[0028] The flange 43 has a support side 44, via which the flange 43 and thus the lid 4 can rest on the rim 21. The support side 44 preferably has a support surface that is directed towards the rim 21 and can make (flat) contact with it when the lid 4 is inserted into the sample container 2. The flange 43 defines a maximum entry of the plug-in section 41 into the sample container 2. The flange 43 prevents, in particular, the lid 4 from entering too far into the sample container 2 and / or from being arranged with its entirety below the rim 21, i.e. between the rim 21 and the base 24.

[0029] The cover 4 may have a bottom side 45, which is preferably facing away from a top side of the cover 4, which has, for example, the flange 43.

[0030] In particular, the plug-in section 41 can have the underside 45. In a state in which the plug-in section 41 is inserted into the sample container 2, the underside 45 is provided such that it delimits the sample container space 3 (at the top). Thus, the sample container space 3 can be delimited at the top by the underside 45, laterally by the side wall 23, and at the bottom by the base 24.

[0031] The cover 4 further has a recess 46, which initially runs axially in the outer surface 42 of the plug-in section 41 and then radially outward in the support side 44 of the flange 43. This means that the recess 46 extends in the outer surface 42 of the plug-in section 41 in the direction of the flange 43 and / or away from the underside 45. The recess 46 can extend away from the underside 45. The recess 46 extends as far as the flange 43, where it then merges into the support side 44 and subsequently runs radially outward therein. The recess 46 therefore runs at least along sections 461, 462, which adjoin one another and are preferably transverse (e.g. perpendicular) to one another. The first section 461 has the part of the recess 46 running in the outer surface 42 and the second section 462 has the part of the recess 46 running in the support side 44.It is preferred if a part of the recess 46 (e.g., section 461) runs parallel to the longitudinal axis of the sample container 2 when the lid 4 is inserted into the sample container 2. The part of the recess 46 running in the support side 44 (e.g., section 462) preferably runs transversely, particularly preferably perpendicularly, to the longitudinal axis of the sample container 2.

[0032] When the plug-in section 41 is inserted into the sample container 2 and the flange 43 rests with its support side 44 on the rim 21, the sample container chamber 3 can be fluidically connected to the environment U of the sample container system 1 via the recess 46. The environment U comprises, for example, a reaction chamber and / or a gas located in the reaction chamber (which is not provided in the sample container chamber 3). The environment U can also comprise ambient air. In particular, a pressure can exist in the environment U which differs from the pressure present in the sample container chamber 3. The recess 46 can have an opening 47 through which a gas can flow into the recess 46 and thus into the sample container chamber 3. Alternatively or additionally, it can be provided that a gas can flow from the sample container chamber 3 into the recess 46 and is then released to the environment U via the opening 47.For example, the recess 46 in the support side 44 can extend to the radially outer end of the flange 43, where it then forms the opening 47. However, this is not mandatory because, for example, the part of the recess 46 running in the support side 44 can also extend beyond the edge 21, but then not to the outer radial end of the flange 43, in order to effect an inlet from the environment U into the recess 46 and / or an outlet from the recess 46 into the environment U.

[0033] The recess 46 can be at least partially formed in the form of a slot (or a groove or a notch or the like). At least the part of the recess 46 extending in the outer surface 42 and / or in the support side 44 can be provided in the form of a slot. The recess 46 can be obtained by removing material from the outer surface 42 and / or the support side 44. Thus, the recess 46 can also be subsequently provided, for example, in a cover that does not yet have the recess 46.

[0034] The sample container system 1 and / or the lid 4 can have further elements, in particular elements that can interact with the fluid connection provided by the recess 46. For example, the sample container system 1 (for example above the lid 4) can have a cover plate (not shown) designed to prevent condensate from entering the recess 46, in particular in the form of drops falling due to gravity. For this purpose, the cover plate can be provided such that it extends further radially outward than the section of the recess 46 running in the support side 44. Viewed in a side view, the cover plate preferably extends such that at least the opening 47 is provided between it and the edge 21. Preferably, an outer end of the cover plate is provided further radially outward than the outlet opening 47. The lid 4 is not limited to a specific material.The lid 4 can be made from only one material or from different materials. Preferably, the lid 4 is made at least partially from a plastic. The plastic can comprise: PTFE, quartz and / or glass. For example, it can be provided that at least or only the plug-in section 41 is made from a plastic, for example a plastic that imparts the plug-in section 41 a defined elasticity that is preferably greater than the elasticity of the flange 43. A defined elasticity of the plug-in section 41 is particularly advantageous for inserting the lid 4 into the sample container 2, in particular for stuffing or pressing it. In other embodiments, the lid 4 can also be made at least partially (or completely) from other materials such as cork.

[0035] The sample container system 1 can further comprise a stop element 5, which is arranged to limit the travel of the lid 4 inserted into the sample container 2. The stop element 5 is preferably provided at a defined distance from the lid 4 when the lid rests with its support side 44 on the rim 21. The distance is preferably measured between the stop element 5 and an upper side of the lid 4, which, for example, has the flange 43. The stop element 5 can be used, in particular, to prevent the lid 4 from falling out of the sample container 2 or to prevent the lid 4 from jamming (for example, with the sample container 2 and / or other parts, e.g., a pressure vessel). In other words, the lid 4, in a state in which it abuts the stop element 5, remains inserted into the sample container 2 with its plug-in section 41.

[0036] As Figures 1 and 2 show, the lid 4 can be moved axially (namely along the longitudinal axis of the sample container 2) relative to the sample container 2 between a first position and a second position by means of a stroke. Figure 1 shows the first position as an example. In the first position (when viewed from the side onto the sample container 2 or the side wall 23), at least a part 48 of the recess 46 (which is preferably provided by the first section 461) is covered by the sample container 2, in particular by the side wall 23. As a result, a gas can essentially only leave the recess 46 via the opening 47. In other words, the recess 46 and the part of the sample container 2 that covers the recess 26 define a fluid line. A gas can then enter the fluid line thus formed (in the direction of the sample container space 3) and / or exit it (in the direction of the environment U) via the opening 47.In the first position, the support side 44 preferably rests on the edge 21, so that there is preferably no gap between them, with the exception of the recess 46 (including the optional opening 47) running in the support side 44. The first position preferably represents a (pressureless) state in which there is no pressure gradient between the sample container space 3 and the environment U.

[0037] Figure 2 shows, by way of example, the second position of the lid 4. In this position, the part 48 of the recess 46, which was covered by the sample container 2 in the first position, is moved out of the opening 22 to protrude beyond the edge 21. As a result, the part 48 is exposed. The now exposed part 48 thus enlarges an outlet of the recess 46, whereby an increased gas flow can flow from the recess 46 into the environment U. In a preferred embodiment, as shown by way of example in Figures 1 and 2, the outlet of the recess 46 is then formed at least by the opening 47 and the exposed part 48 of the recess 46. In the second position, the support side 44 is preferably spaced from the edge 21, whereby a gap is formed between the support side 44 and the edge 21, through which gap a fluid can flow from the recess 46 into the environment U.In the second position, a part of the recess 46 is preferably still covered by the sample container 2 or the side wall 23.

[0038] The suitability of the lid 4 for movement from the first position shown in Figure 1 to the second position shown in Figure 2 is particularly advantageous for regulating a pressure (overpressure) in the sample container chamber 3. If, for example, a reaction takes place in the sample container chamber 3 which results in the development and / or expansion of a fluid (gas, liquid, etc.) in the sample container chamber 3, the lid 4 is moved axially from the first position to the second position, which in particular prevents an undesirable or at least undesirably rapid increase in pressure in the sample container chamber 3. There is therefore no risk that overpressure in the sample container chamber 3 could cause the sample container 2 to burst or damage other parts of the sample container system 2, such as the lid 4.At the same time, the axial movement (i.e., lifting) of the lid 4 into the second position enlarges the outlet (e.g., in the form of a slot) of the fluid connection provided by the recess 46, thereby automatically adapting it to the fluid development in the sample container space 3. In particular, the gases that develop during the reaction in the sample container space 3 can thus quickly escape from the sample container space 3 into the environment U. Figure 3 shows a preferred application of the sample container system 1, namely in a pressure vessel 100, which is, for example, a pressure reactor. The pressure vessel 100 thus comprises the sample container system 1. The pressure vessel 100 is configured to accommodate one or more sample container systems 1 and to heat them (directly and / or indirectly), for example, using microwaves, to trigger and / or promote chemical and / or physical pressure reactions on one or more samples P.

[0039] The pressure vessel 100 can be a (high-pressure) autoclave. The pressure vessel 100 is preferably made of a high-pressure-resistant material such as metal, preferably steel, particularly preferably a corrosion-resistant stainless steel alloy. The pressure vessel 100 is preferably designed such that it can be used at pressures of up to at least 200 bar, preferably up to at least 500 bar, and at temperatures of up to and even above 300°C.

[0040] The pressure vessel 100 can have a reaction chamber or pressure chamber 122 for initiating and / or promoting the chemical and / or physical pressure reactions on the samples P. The reaction chamber 122 is preferably a so-called fluid or gas chamber. The pressure vessel 100 can surround the reaction chamber 122 on all sides. The one or more sample container systems 1 are arranged in the reaction chamber 122 for sample treatment and can preferably be removed from it through an opening.

[0041] The pressure vessel 100 can have a (pot-shaped) lower part 120 and a lid 124 (also called the "lid part"), which can be closed together and, when closed together, surround the reaction chamber 122 on all sides. The lid 124 closes the opening provided in the pressure vessel 100, i.e., the lower part 120 of the pressure vessel 100, for introducing and removing the sample P. The lid 124 can therefore be used to open and close the pressure vessel 100 and / or the reaction chamber 122. The pressure vessel 100 can have a fastening element 128, such as a clamp, which fastens the lid 124 to the lower part 120 when closed together, in particular in such a way that they do not separate from each other during a pressure reaction taking place in the reaction chamber 122.

[0042] The reaction chamber 122 can be configured to accommodate a liquid or base load. The liquid is preferably water, but can also be or comprise any other highly microwave-absorbing liquid. The liquid is provided, in particular, to heat or warm the sample P located in the at least one sample container system i. This can be achieved, for example, by at least partially surrounding the sample P by the liquid and by a microwave generator heating the liquid through microwave absorption.

[0043] The pressure vessel 100 can further comprise a sample holder 108, with which one or more sample container systems 1 can be held in the reaction chamber 122. The sample holder 108 is preferably designed as a basket for accommodating a plurality of sample container systems 1. The sample holder 108 is particularly designed to insert the at least one sample container system 1 into the reaction chamber 122 and remove it therefrom via a rod-shaped handling structure (sample holder) 106, for example, having a handle and / or flange region for preferably suspended attachment in the reaction chamber 122. The sample holder 108 can hang from the lid 124 and / or the further lid 142 described below.

[0044] The pressure vessel 100 can have a further lid (a so-called "liner") 142, which is preferably made of plastic such as PTFE. The further lid 142 preferably serves as part of a lining to at least partially cover at least a portion of the lid 124, for example, its rear side. The further lid 142 delimits the reaction chamber 122, preferably in such a way that a fluid located in the reaction chamber 122 is in contact with the further lid 142 and thus preferably not in contact with the lid 124. This prevents the lid 124 from being undesirably attacked by a fluid located in the reaction chamber 122.

[0045] In particular, to protect the inner wall of the lower part 120, a jacket 121, preferably made of plastic such as PTFE, can be provided therein, which at least partially delimits the reaction chamber 122. The jacket 121 therefore preferably forms an inner lining, in particular in the form of a container. The jacket 121 is preferably provided such that, together with the further cover 142, it surrounds the reaction chamber 122 on all sides. It is preferred if at least a part of the further cover 142 (for example, a flange area) is provided and / or clamped between the jacket 121 and the cover 124. The pressure vessel can also have a fluid line 114, via which a charging gas can enter the reaction chamber 122 in order to increase the pressure therein (pressure boosting). The fluid line 114 preferably extends through the cover 124 and / or through the further cover 142.

[0046] Figure 3 shows that the function of the sample container system 1 described with reference to Figures 1 and 2 for regulating a pressure in the sample container chamber 3 can be applied in the pressure vessel 100. In particular, it is not necessary for the pressure vessel 100 to have means for regulating a pressure in the sample container chamber 3. Rather, the pressure prevailing in the sample container chamber 3 can be regulated simply and exclusively via the design of the lid 4. This simplifies pressure regulation without having to adapt the pressure vessel 100.

[0047] In particular, a gas flowing from the fluid line 114 can flow into the sample container chamber 3 via the fluidic connection provided at least by the recess 46 of the sample container system 1. Furthermore, a gas (for example, a reaction gas produced during a reaction taking place in the sample container chamber 3) can escape into the reaction chamber 122 via the fluidic connection of the sample container system 1 and can then be discharged from the pressure vessel 100 from there, for example, via a discharge line (not shown) provided by the pressure vessel 100.

[0048] If the sample container system 1 is provided in the pressure vessel 100, the stop element 5 can be formed by a part of the pressure vessel 100. For example, the lid 124 or the further lid 142 can have or form the stop element 5. For example, the stop element 5 can be formed integrally with the lid 124 or the further lid 142. Alternatively or additionally, it can be provided that the sample holder 108 and / or the handling structure 106 has the stop element 5. For example, the stop element 5 can be detachably attached to or integrally provided with the handling structure 106.

[0049] The invention is not limited to the features described above; in particular, the features described above can be combined with one another in any desired manner.

Claims

Claims A sample container system (1) for use in a pressure vessel (100), comprising: a sample container (2) with a sample container space (3) for receiving a sample (P) and a rim (21) defining an opening (22); and a lid (4) for closing the opening (22), wherein the lid (4) comprises: a plug-in section (41) that can be plugged into the sample container (2) via the opening (22) and via which the lid (4) can be axially displaced relative to the sample container (2); a flange (43) that extends radially outward from the plug-in section (41) and, when the plug-in section (41) is plugged into the sample container (2), can rest on the rim (21) with a support side (44); and a recess (46) that extends axially in an outer surface (42) of the plug-in section (41) and then radially outward in the support side (44) of the flange, so thatWhen the plug-in section (41) is inserted into the sample container (2) and the flange (43) rests with the support side (44) on the rim (21), the sample container space (3) is fluidly connected to the environment (U) of the sample container system (1) via the recess (46). The sample container system (1) according to claim 1, wherein, when the plug-in section (41) is inserted into the sample container (2), the lid (4) is axially movable relative to the sample container (2) at least between a first position and a second position, wherein at least a part (48) of the recess (46) is covered by the sample container (2) in the first position and protrudes beyond the rim (21) and is thereby exposed in the second position. Sample container system (1) according to claim 1 or 2, wherein the sample container (2) extends axially along a longitudinal axis, and wherein, when the plug-in section (41) is plugged into the sample container (2), which in the, The part of the recess (46) extending along the outer surface (42) runs at least partially parallel to the longitudinal axis.

4. Sample container system (1) according to one of the preceding claims, wherein the recess (46) is slot-shaped.

5. Sample container system (1) according to one of the preceding claims, wherein the plug-in section (41) has a bottom side (45) which, when the plug-in section (41) is plugged into the sample container (2), delimits the sample container space (3), wherein the recess (46) extends away from the bottom side (45) and / or starting from the bottom side (45).

6. Sample container system (1) according to one of the preceding claims, wherein the plug-in section (41) is cylindrical and / or conical, and / or wherein the plug-in section (41) has a round, preferably circular cross-section.

7. Sample container system (1) according to one of the preceding claims, wherein the lid (4) is at least partially made of plastic.

8. Sample container system (1) according to claim 7, wherein the plastic comprises: PTFE, quartz and / or glass.

9. Sample container system (1) according to one of the preceding claims, wherein, when the plug-in section (41) is plugged into the sample container (2) and the support side (44) rests on the edge (21), the flange (43) is flush with the edge (21).

10. Sample container system (1) according to one of the preceding claims, wherein, when the plug-in section (41) is plugged into the sample container (2) and the support side (44) rests on the edge (21), the part of the recess (46) running in the support side (44) projects beyond the edge (21).

11. Sample container system (1) according to one of the preceding claims, further comprising a cover element which is designed to prevent condensate from entering, in particular in the form of drops, into the recess (46), wherein the cover element is preferably a lid or a cover plate.

12. Sample container system (1) according to one of the preceding claims, further comprising a stop element (5) which is arranged to limit a stroke of the To limit the movement of the lid (4) inserted into the sample container (2), in particular to prevent the lid (4) from falling out of the sample container (2). Pressure vessel (100) comprising a sample container system (1) according to one of the preceding claims.

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