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Device for extracting pyritic sulfur contained in geological sample

A technology for geological samples and pyrite, which is applied in the preparation of test samples, measuring devices, instruments, etc., can solve problems such as pyrite, which is an effective method, and achieve the effects of low cost, easy realization and simple operation.

Inactive Publication Date: 2015-03-18
CHINA UNIV OF GEOSCIENCES (WUHAN)
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Problems solved by technology

[0002] In paleo-environment and paleo-ocean studies, pyrite sulfur isotope analysis and pyrite quantitative research in geological samples are required, but there is no effective method and instrument in this regard in the existing technology to meet the requirements of geological samples. Iron ore is exclusively extracted online, and at the same time it can meet the requirements of environmental friendliness

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  • Device for extracting pyritic sulfur contained in geological sample

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Embodiment Construction

[0009] The device for extracting pyrite sulfur in geological samples provided by the present invention includes nitrogen gas circuit unit, CrCl 2 Gas preparation unit, sample reaction unit and gas absorption unit, the reaction vessel 11 of the sample reaction unit is placed on the heating type magnetic stirrer 10, and the reaction vessel 11 is provided with a liquid inlet 13, an air inlet 9 and an exhaust port 12, The inner tube 8 of the condenser tube is surrounded by an outer tube 6 of the condenser tube. One end of the outer tube 6 of the condenser tube is a condensed water inlet 5, and the other end is a condensed water outlet 14. The condensed water inlet 5 is lower than the condensed water outlet 14; Hydrochloric acid is housed, and the separatory funnel A15 is communicated with the reaction vessel 11 through the first sampling tube, the sampling port 13, and the CrCl 2 The lower end of the separatory funnel B20 that is equipped with zinc particles 19 and chromium trichl...

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Abstract

The invention provides a device for extracting pyritic sulfur contained in a geological sample. The device comprises a nitrogen gas path unit, a CrCl2 gas preparation unit, a sample reaction unit and a gas absorption unit, wherein a reaction vessel inside the sample reaction unit is arranged on a heating type magnetic stirrer, and the reaction vessel is provided with a liquid inlet, a gas inlet and a gas outlet; a condensation pipe inner pipe is arranged above the gas outlet through a porous glass stopper, a condensation pipe outer pipe is wound outside the condensation pipe inner pipe; a separating funnel B and a separating funnel A are respectively communicated with the reaction vessel through sampling pipes which correspond to the separating funnel B and the separating funnel A and a sampling port; the sampling pipes are both inserted into the sampling port; a nitrogen cylinder inside the nitrogen gas path unit is communicated with the reaction vessel through a vent pipe and the gas inlet and communicated with the separating funnel B after being connected with the upper part of the separating funnel B through a two-port type gas-distributing pipe; and the gas absorption unit comprises a round-bottomed flask, a surge flask, a gas absorption test tube and a tail gas absorption bottle which are sequentially communicated through a pipeline. The device provided by the invention can effectively extract the pyritic sulfur contained in the geological sample and has the characteristics of economy, easiness, convenience and environmental friendliness.

Description

technical field [0001] The invention relates to a device for extracting pyrite sulfur in geological samples, which is used as an analysis instrument for pyrite sulfur isotopes, and is mainly used in the fields of paleoenvironment and paleocean research. technical background [0002] In paleoenvironmental and paleocean research, pyrite sulfur isotope analysis and pyrite quantitative research in geological samples are required, but there is no effective method and instrument in this regard in the existing technology to meet the requirements of geological samples. The iron ore is exclusively extracted online, and at the same time it can meet the requirements of environmental friendliness. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention provides a device for extracting pyrite sulfur in geological samples, which can not only realize quantitative and effective extraction of pyrite sulfur in geological samples, but also does n...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28G01N5/00
Inventor 宋虎跃邱海鸥王大波朱园园汤志勇宋海军
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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