Analysis device and analysis method for quantitatively analyzing fluid inclusion water

A technique for quantitative analysis of fluid inclusions, applied in measuring devices, analyzing materials, and material analysis through electromagnetic means, can solve problems such as neglect, increase the uncertainty of interpretation, and uneven distribution of fluid inclusions

Inactive Publication Date: 2016-05-25
INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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  • Summary
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  • Application Information

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Problems solved by technology

However, the distribution of fluid inclusions in the sample is usually not uniform, but in the process of fluid inclusion population composition analysis, the ion concentration per unit mass is generally tested, and the ion concentration in the inclusion water is ignored. In fact, The ion concentration in inclusion water is more realistic and scientific, and the current measurement method increases the uncertainty of interpretation

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  • Analysis device and analysis method for quantitatively analyzing fluid inclusion water
  • Analysis device and analysis method for quantitatively analyzing fluid inclusion water
  • Analysis device and analysis method for quantitatively analyzing fluid inclusion water

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Embodiment 1

[0055] The present invention adopts such as figure 1 and figure 2 The analysis device for the quantitative analysis of fluid inclusion water shown in the analysis, the analysis device for quantitative analysis of fluid inclusion water includes a heating furnace 10 and a quadrupole mass spectrometer 14, and the heating furnace 10 is used to analyze the fluid inclusions in the quartz glass tube 11 The sample is heated, and the quadrupole mass spectrometer 14 is used for quantitative analysis of the fluid inclusions in the quartz glass tube 11. A VLV needle valve 13 is arranged on the connecting pipeline at one end of the quadrupole mass spectrometer 14, and a VLV needle valve 13 Connect with SV1 gas control valve 7, SV2 gas control valve 5, SV3 gas control valve 12 respectively through communication pipeline, quantitative analysis component 1 is connected with SV3 gas control valve 12 through communication pipeline 9, quantitative analysis component 1 comprises collection tube ...

Embodiment 2

[0066] Step 1: Sample pretreatment: select a jadeite sample with a purity greater than 99%, a particle size of 60-80 mesh, and a sample size of more than 200 mg. The jadeite sample is jadeite quartzite collected from the ultra-high pressure metamorphic belt of the Dabie Mountains. Separate the jadeite single mineral that needs to be determined from the rock, and select the jadeite single mineral crystal without inclusions and no degeneration under the binocular lens; put the jadeite single mineral crystal into a 100ml beaker, add 50ml (1:1) HCl, heated on the electric heating plate, the heating temperature is 90 ° C, the heating time is 1 hour, overnight, pour out the acid the next day, wash the sample with pure water several times, ultrasonically shake for 10 minutes, and then rinse repeatedly with deionized water. The samples were dried in an oven at 80°C for later use.

[0067] Step 2: Draw a standard working curve: Accurately pipette 0, 0.5, 1, and 2 μL of high-purity wate...

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Abstract

The invention discloses an analysis device and an analysis method for quantitatively analyzing fluid inclusion water. The analysis device comprises a quantitative analysis part used for drawing a standard working curve, wherein the quantitative analysis part comprises a collection pipe and a glass guide pipe; a connector I is arranged at one end of the glass guide pipe; a connector II is arranged at the other end of the glass guide pipe; the collection pipe is connected with the connector I of the glass guide pipe; the connector II is connected with an SV3 gas control valve through a communication pipeline; the glass guide pipe communicates with a valve connector; and the valve connector matches with the valve. The analysis method comprises the steps of freezing and vacuumizing the glass guide pipe added with high-purity water by using liquid nitrogen; when the vacuum degree meets the requirement, replacing liquid nitrogen with dry ice, and performing freezing and vacuumizing; and moving away the dry ice, and testing and drawing the standard working curve by using a quadrupole mass spectrometer. The liquid nitrogen freezing is adopted for preventing volatilization of a micro-sample and impurities are discharged by using the dry ice. A new method for accurately performing quantitative analysis on the fluid inclusion water is provided and has an important significance for researching components, sources and evolution of fluids and deep interpretation of ore genesis in geological evolution at different stages.

Description

technical field [0001] The invention relates to the technical field of geological sample water analysis, in particular, the invention relates to an analysis device and analysis method for quantitative analysis of fluid inclusion water. Background technique [0002] Understanding the nature, scale, and timing of fluid activity during the evolution of the Earth is essential for understanding the global circulation of water, the evolution of igneous rock systems in orogenic belts, the metamorphism of subducted slabs, the rheology and seismicity of subducted slabs at mantle depths , the migration process of minerals and petroleum exploration and other geoscience fields are of great significance. The research on fluids is mainly on fluid inclusions in rocks and minerals, especially the research on water in nominally anhydrous minerals with ultra-high pressure. There are many methods for analyzing trace amounts of water in nominally anhydrous minerals, such as oxygen manometer me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/62
CPCG01N27/62
Inventor 朱和平黄亮亮
Owner INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI
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