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System and method for analyzing oxygen isotope composition in water of oxygen-free mineral inclusion

An oxygen isotope and analysis system technology, applied in the analysis of materials, material analysis by electromagnetic means, preparation of test samples, etc., can solve the problems of incomplete separation of impurity components, oxygen isotope fractionation, incomplete water extraction, etc.

Pending Publication Date: 2017-12-01
BEIJING RES INST OF URANIUM GEOLOGY
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Problems solved by technology

[0006] The purpose of the present invention is to provide an analysis system and method for oxygen isotope composition in oxygen-free mineral inclusion water, so as to solve the problems of incomplete water extraction, incomplete separation of impurity components, and oxygen isotope fractionation easily caused by the transformation process, etc. Improve analysis test accuracy and analysis test efficiency

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  • System and method for analyzing oxygen isotope composition in water of oxygen-free mineral inclusion

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[0038] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0039] Such as figure 1 As shown, an analysis system for oxygen isotope composition in oxygen-free mineral inclusion water, the system includes inclusion burst extraction / purification separation / extract conversion system, product collection and measurement system, and waste treatment system.

[0040] Such as figure 1 , 2 As shown, the inclusion burst extraction / purification separation / extract conversion system includes a vacuum pressure gauge 6, a fourth 1 / 4inch metal valve 7, a first 1 / 2inch stainless steel main pipe 8, a seventh 1 / 4inch metal valve 11, a One 1 / 2inch metal valve 13, the ninth 1 / 4inch metal valve 14, bromine pentafluoride storage tank 15, the second 1 / 2inch metal valve 16, the third 1 / 2inch metal valve 17, the fourth 1 / 2inch metal Valve 18, second 1 / 2inch stainless steel main pipe 19, first burst-extraction unit, second bur...

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Abstract

The invention belongs to the field of measurement of isotope composition in water of mineral inclusions and particularly discloses a system and a method for analyzing oxygen isotope composition in water of an oxygen-free mineral inclusion. One end of an inclusion burst extraction / purification separation / extract conversion system of the system is connected with a product collection and measurement system, and the other end of the inclusion burst extraction / purification separation / extract conversion system is connected with a waste treatment system. The method comprises steps as follows: sampling of a mineral sample; baking and vacuum degassing; bursting, extraction and purification of the mineral inclusion; conversion of the water in the mineral inclusion; collection and mass spectrometric measurement of a converted product; waste treatment of a reaction product. The problems that water extraction of the mineral inclusion is not thorough, impurity ingredient separation is not complete, oxygen isotope fractionation is easily caused in the conversion process and the like are solved, and the analysis and test accuracy and the analysis and test efficiency are improved.

Description

technical field [0001] The invention belongs to the field of determination of isotope composition of water in mineral inclusions, and in particular relates to an analysis system and method for oxygen isotope composition of oxygen-free mineral inclusion water. Background technique [0002] The determination of oxygen isotopic composition in mineral inclusion water plays a very important role in revealing the source, migration, evolution and mineralization process of ore-forming fluids, and provides a theoretical basis for elucidating the ore-forming mechanism of ore deposits. Fully extracting the water in mineral inclusions, purifying, converting and collecting them are the prerequisites for the analysis of oxygen isotope composition in oxygen-free mineral inclusion water. [0003] In terms of water extraction from mineral inclusions, domestically, a single quartz glass tube or nickel tube is basically used for burst sampling or online direct burst extraction. These methods h...

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Application Information

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IPC IPC(8): G01N27/62G01N1/28G01N1/34G01N1/44
CPCG01N1/28G01N1/34G01N1/44G01N27/62
Inventor 张建锋刘汉彬金贵善李军杰韩娟张佳石晓钟芳文郭东侨齐然
Owner BEIJING RES INST OF URANIUM GEOLOGY
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