Mineral inclusion water sample extraction device for H isotope analysis

An extraction device and inclusion technology, applied in the field of mineral inclusion water sample extraction devices, can solve the problems of time-consuming and laborious off-line sample preparation, online testing interference, etc., so as to improve the success rate and precision, reduce interference, and meet the requirements of instantaneous vaporization. Effect

Inactive Publication Date: 2019-06-28
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

[0006] The technical problem to be solved in the present invention is: a new online extraction and purification device for water in mineral inclusions, which solves the problems of time-consuming and labor-intensive offline sample preparation and interference caused by online testing

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  • Mineral inclusion water sample extraction device for H isotope analysis
  • Mineral inclusion water sample extraction device for H isotope analysis

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Embodiment Construction

[0024] A water sample extraction device for mineral inclusions for H isotope analysis of the present invention will be described in detail below with reference to the drawings and examples.

[0025] A mineral inclusion water sample extraction device for H isotope analysis in this embodiment includes a first helium gas inlet 1, a first valve 2, a first cold trap 4, a second helium gas inlet 16, The second valve 13, the second cold trap 14, the reaction tube 5, the six-way valve 8, the water sample collection pipe 9 and the elemental analyzer 12: the first helium gas inlet 1 passes through the first valve 2 and the first cold trap in turn 4 and the reaction tube 5 are connected to the first port 8-1 of the six-way valve; the second helium gas inlet 16 is connected to the fourth port 8-4 of the six-way valve through the second valve 13 and the second cold trap 14 in turn The two ends of the water sample collection pipe 9 are respectively connected to the second port 8-2 of the si...

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Abstract

The invention belongs to the technical field of water sample H stable isotope composition determination, and particularly relates to a mineral inclusion water sample extraction device for H isotope analysis. A first helium inlet is connected with a first port of a six-way valve through a first valve, a first cold trap and a reaction tube in sequence; a second helium inlet is connected with a fourth port of the six-way valve through a second valve and a second cold trap in sequence; two ends of a water sample collecting pipe are respectively connected with a second port of the six-way valve anda fifth port of the six-way valve; an element analyzer is connected with a third port of the six-way valve; the first cold trap is arranged in a first liquid nitrogen cup, and the second cold trap isarranged in a second liquid nitrogen cup; the reaction tube is embedded in a temperature control heating furnace, and the six-way valve is wrapped in the temperature control heating furnace; and thewater sample collecting tube is arranged in a third liquid nitrogen cup. The invention provides a novel online extraction and purification device for water in a mineral inclusion, and solves the problems that time and labor are wasted during offline sample preparation and online testing generates interference.

Description

technical field [0001] The invention belongs to the technical field of H stable isotope composition determination of water samples, and in particular relates to a mineral inclusion water sample extraction device for H isotope analysis. Background technique [0002] The determination of the H stable isotope composition of water in mineral inclusions can trace the source of ore-forming fluids and invert the evolution of ore-forming fluids. At present, the relatively mature method for online testing of mineral inclusions is the Flash EA 1112HT (elemental analyzer) cracking method. Carbonate minerals such as calcite, which are easy to decompose, cannot be tested by this method, and can only be tested by traditional offline methods. However, offline methods have disadvantages such as high sample preparation costs, low efficiency, and large sample volume. [0003] Flash EA 1112HT pyrolysis method When testing minerals that are not easy to decompose at high temperature (1420°C), su...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N30/06G01N30/12G01N30/14G01N30/20
Inventor 金贵善刘汉彬韩娟张建锋李军杰张佳石晓王朋钟芳文郭东侨齐然
Owner BEIJING RES INST OF URANIUM GEOLOGY
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