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Sample fixing device for determining trace elements in fish otolith and use method of sample fixing device

A technology for fixing trace elements and samples, which is applied in the direction of measuring devices, test sample preparation, instruments, etc., can solve problems such as wasting time, instability of glass slides, weak double-sided adhesiveness, etc., and achieves convenient operation and excellent structure Simple, Efficiency-Enhancing Effects

Pending Publication Date: 2018-11-02
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The disadvantage of this kind of sample cell is that when the double-sided adhesive is used for the first time, due to its strong viscosity, it is difficult to remove the slide glass from the quartz glass when changing the sample, which leads to a problem in the process of changing the sample. waste a lot of time
Secondly, with the passage of time, the viscosity of the double-sided adhesive becomes weaker and weaker, and the glass slide fixed on the quartz glass becomes more and more unstable, which causes the analysis sample to deviate from the preset track during the laser ablation process

Method used

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  • Sample fixing device for determining trace elements in fish otolith and use method of sample fixing device
  • Sample fixing device for determining trace elements in fish otolith and use method of sample fixing device
  • Sample fixing device for determining trace elements in fish otolith and use method of sample fixing device

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Embodiment Construction

[0024] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0025] Such as figure 1 with figure 2 A fish otolith trace element determination sample fixing device shown includes an upper cover 1 and a base 2 . The upper cover 1 and the base 2 are in the shape of a cuboid as a whole, the upper cover 1 is a cavity structure with an open lower end, and the shape and size of the cavity match the base 2, and the base 2 can be accommodated in the cavity of the upper cover 1 .

[0026] The ...

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Abstract

The invention discloses a sample fixing device for determining trace elements in fish otolith and a use method of the sample fixing device. The device comprises an upper cover and a base, wherein theupper cover is of a cavity structure with an open lower end face; in addition, the base can be accommodated in a cavity of the upper cover; standard sample placing grooves and sample glass slide placing grooves are formed in the top of the upper cover and are stepped grooves with small upper openings and large lower openings; spring mounting guide holes are formed inside the base by correspondingto the standard sample placing grooves and the sample glass slide placing grooves; springs are arranged inside the spring mounting guide holes. The use method comprises the following steps: turning the upper cover and placing standard samples and sample glass slides; reversely buckling the base inside the cavity of the upper cover, and enabling the springs to prop against the standard samples andthe sample glass slides; connecting and fixing the base and the upper cover, and turning over the upper cover; placing the upper cover and the base in a sample cell for detecting. According to the sample fixing device and the use method disclosed by the invention, convenience for detecting and analyzing sample displacement and stability for sample placement can be improved, and operating efficiency is also improved.

Description

technical field [0001] The invention belongs to the technical field of fixing fish otolith trace element determination samples, in particular to a fish otolith trace element determination sample fixing device and a use method thereof. Background technique [0002] Otoliths are calcareous structures found in the inner ear (membrane labyrinth) of fish and play an important role in fish's hearing and body balance. Otoliths are mainly composed of calcium carbonate, but also contain trace or trace elements such as Sr, K, P, Mg, Si, Zn, B, Fe, Hg, Mn, Ba, Ni. Affected by factors such as changes in the living water environment and changes in feeding habits, these trace or trace elements on the otoliths will show different trends with the increase of the sun wheel. The change feature is called the element fingerprint feature. Because the elements on the otoliths are difficult to be reabsorbed by the body, the elemental fingerprint feature has become the most ideal means of group i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/36G01N27/62
CPCG01N1/36G01N27/628
Inventor 张辉凌建忠袁兴伟姜亚洲张翼刘尊雷
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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