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Raman reaction cabin capable of monitoring pH parameters

A technology of Raman reaction and chamber, which is applied in the field of Raman reaction chamber, can solve problems such as easy to adhere to particles, unusable, and affect the quality of spectral data, etc., and achieve the goals of expanding the scope of application, good corrosion resistance, and improving signal-to-noise ratio Effect

Pending Publication Date: 2020-06-05
INST OF OCEANOLOGY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Due to the window-type design of the existing high-temperature and high-pressure Raman reaction chamber, the excitation light and recovery light will be greatly weakened when passing through sapphire or quartz glass, which seriously affects the quality of the finally obtained spectral data. At the same time, the sapphire Or the inner surface of the quartz window is very easy to attach particles during the reaction process, which seriously affects the monitoring results
[0006] Because the conventional pH electrode is easily damaged by high temperature and high pressure, it cannot be used in a high temperature and high pressure environment. The current method is to open the Raman reaction chamber, take out the reactants or cool the reaction chamber to normal temperature and pressure, and then reuse it. The pH electrode is used for measurement, and the continuous monitoring of the pH value in the Raman reaction chamber cannot be realized

Method used

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  • Raman reaction cabin capable of monitoring pH parameters
  • Raman reaction cabin capable of monitoring pH parameters
  • Raman reaction cabin capable of monitoring pH parameters

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Experimental program
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Effect test

Embodiment 1

[0042] Such as Figure 1~3 Shown:

[0043] The Raman reaction chamber capable of monitoring pH parameters of the present invention comprises: a main chamber body 5, a hatch cover 10, an immersion Raman probe 1, a high temperature and high pressure reference electrode 2 and a high temperature and high pressure pH electrode 3;

[0044] in,

[0045] The hatch cover 10 is connected with the main cabin body 5 by threads;

[0046] The submerged Raman probe 1 is fixed on the top of the main cabin 5 through the hatch 10 or the blocking parts, and inserted into the inside of the main cabin 5, and the submerged Raman probe 1 and the main cabin 5 pass through the Raman probe O Ring 9 is sealed;

[0047] The high temperature and high pressure reference electrode 2 and the high temperature and high pressure pH electrode 3 are inserted into the main cabin body 5, and the high temperature and high pressure reference electrode 2 and the high temperature and high pressure pH electrode 3 are...

Embodiment 2

[0061] The Raman reaction chamber that can monitor the pH parameter of the present invention will not repeat the same part as that of Embodiment 1. The difference is that the liquid sampling channel 12 and the liquid feeding channel bolt 13 are an integrated structure, and the liquid sampling channel 12 is provided with There is a valve (the outside of the main cabin body 5), the gas sampling channel 14 and the inlet channel bolt 15 are integral structures, and the gas sampling channel 14 is provided with a valve (the outside of the main cabin body 5), so that it can be used in the test During the process, liquid and / or gas are conveniently replenished in the main cabin body 5 .

Embodiment 3

[0063] The present invention can monitor the Raman reaction chamber of pH parameter, the same part as embodiment 1 will not be repeated, the difference is that the high-voltage reference electrode 2 and the high-temperature and high-pressure pH electrode 3 are not provided with electrode protective sleeves, but are provided with The electrode cooling water jacket can not only protect the high-voltage reference electrode 2 and the high-temperature and high-pressure pH electrode 3, but also effectively prevent the parts from being damaged due to local overheating of the high-temperature and high-pressure reference electrode 2 and the high-temperature and high-pressure pH electrode 3.

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Abstract

The invention discloses a Raman reaction cabin capable of monitoring pH parameters. The Raman reaction cabin comprises a cabin body, a cabin cover, a reference electrode and a pH electrode. The reference electrode and the pH electrode are inserted into the cabin body. According to the Raman reaction cabin capable of monitoring the pH parameters, the change of the pH value in the reaction cabin canbe accurately and continuously monitored while a high-temperature and high-pressure reaction is carried out, and the technical problem that the pH value in the cabin cannot be continuously monitoredby the existing Raman reaction cabin is solved.

Description

technical field [0001] The invention belongs to the technical field of deep-sea environment simulation, and in particular relates to a Raman reaction chamber capable of monitoring pH parameters. Background technique [0002] The high-temperature and high-pressure simulation cabin is a common reaction device for simulating the extreme environment of the deep sea and the high-temperature and high-pressure environment of the deep earth. It is one of the important equipment for laboratory high-temperature and high-pressure reaction simulation in marine chemistry, geochemistry and other disciplines. [0003] Laser Raman spectroscopy, as a simple, non-destructive and fast spectral detection technology, is often applied to the continuous monitoring of high temperature and high pressure simulated reactions. [0004] The Raman reaction chamber is a new high-temperature and high-pressure reaction simulation device that combines the high-temperature and high-pressure simulation chamber...

Claims

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Application Information

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IPC IPC(8): G01N21/65
CPCG01N21/65
Inventor 李连福张鑫杜增丰栾振东连超席世川阎军
Owner INST OF OCEANOLOGY - CHINESE ACAD OF SCI