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A water sample preparation system for hydrogen and deuterium analysis and its realization method

A technology for preparing systems and water samples, which is applied in the field of hydrogen-deuterium analysis water sample preparation systems, can solve the problems that gas samples are not easy to store and are in a blank stage, and achieve the effects of not being easily polluted, highlighting substantive characteristics, and simple methods

Active Publication Date: 2019-02-26
MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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Problems solved by technology

[0003] Most of the existing technologies use isotope mass spectrometers for gas sample analysis, which not only requires manual steps such as sample change, detection, and result analysis, but also gas samples are not easy to preserve
Compared with gas samples, water samples are easy to use, easy to store, and are not easily polluted during sampling and analysis, so it will be of great help to hydrogen isotope analysis. The design of conversion processing equipment is basically still in the blank stage

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  • A water sample preparation system for hydrogen and deuterium analysis and its realization method
  • A water sample preparation system for hydrogen and deuterium analysis and its realization method
  • A water sample preparation system for hydrogen and deuterium analysis and its realization method

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Embodiment Construction

[0037] The present invention will be further described below with reference to the accompanying drawings and embodiments, and the mode of the present invention includes but not limited to the following embodiments.

[0038] Such as figure 1 As shown, the present invention provides a water sample preparation system for hydrogen and deuterium analysis, which is used to oxidize hydrogen isotope gas in VPCE, LPCE and other hydrogen isotope separation systems into water samples for sampling and analysis by isotope mass spectrometers. The invention includes a hydrogen online gas inlet 1, an inert gas inlet 3, a flow meter 5, an aluminum foil sampling bag 8, an oxidation reaction bed 13, a condensation pipe 15, a sampling port 16 and a tail gas discharge channel 17. The hydrogen online gas inlet 1 is used to feed the hydrogen to be measured online for the system, and the inert gas inlet 3 is used to feed the system an inert gas (in this embodiment, the inert gas inlet is nitrogen ai...

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Abstract

The invention discloses a hydrogen-deuterium analysis water sample preparation system, comprising a hydrogen online gas inlet, an inert gas inlet, a flow meter communicated with the hydrogen online gas inlet and the inert gas inlet at the same time, an oxidation reaction bed which is provided with a gas inlet connected with the flow meter and a gas outlet connected with a condenser pipe, a sampling hole communicated with the condenser pipe, and an exhaust gas emission channel arranged between the flow meter and the oxidation reaction bed; a pipeline, communicated with the flow meter, of the hydrogen online gas inlet is provided with a first valve; a pipeline, communicated with the flow meter, of the inert gas inlet is provided with a second valve; a pipeline, communicated with the oxidation reaction bed, of the flow meter is provided with a sixth valve; a pipeline, communicated with the condenser pipe, of the oxidation reaction bed is provided with an eighth valve; the oxidation reaction bed is placed in a tube-type heating furnace. After the system is adopted, the aim of oxidizing hydrogen isotope gas into a water sample in a hydrogen isotope separation system is realized, so that the sampling analysis of an isotope ratio mass spectrometer is facilitated, and the hydrogen isotope analysis detection efficiency is increased.

Description

technical field [0001] The invention relates to a hydrogen-deuterium analysis water sample preparation system and a realization method thereof. Background technique [0002] For hydrogen isotope separation technology platforms such as water detritiation research platform, hydrogen isotope separation and purification test system, a set of efficient and accurate hydrogen isotope analysis methods is very necessary. At present, in the analysis methods for hydrogen isotopes, isotope mass spectrometers have great advantages in terms of accuracy and measurement range. The isotope mass spectrometer can automatically analyze up to 100 water samples by using the configured automatic sampling system through sequence settings. [0003] Most of the existing technologies use isotope mass spectrometers for gas sample analysis, which not only requires manual steps such as sample change, detection, and result analysis, but also gas samples are not easy to preserve. Compared with gas sample...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28
CPCG01N1/28
Inventor 陈闽姚勇邓立宋江锋张志喻彬姜飞安永涛
Owner MATERIAL INST OF CHINA ACADEMY OF ENG PHYSICS
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