Reagent purification device and method for purifying ammonium bifluoride or ammonium fluoride by using same

A technology of ammonium bifluoride and ammonium fluoride, which is applied in the field of chemical analysis, can solve the problems that affect the purification efficiency, only a small amount of outflow, and the blockage of the condensation pipe, and achieve the effect of simple equipment principle

Active Publication Date: 2020-12-18
CHINA UNIV OF GEOSCIENCES (WUHAN)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in practical application of this technical solution, NH 4 HF 2 The problem of partial crystallization of vapor in the transmission pipe leads to blockage of the condensation pipe, the reagent cannot pass through or only a small amount of outflow affects the purification efficiency

Method used

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  • Reagent purification device and method for purifying ammonium bifluoride or ammonium fluoride by using same
  • Reagent purification device and method for purifying ammonium bifluoride or ammonium fluoride by using same

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Ammonium bifluoride is purified by using the above-mentioned purification device in this embodiment.

[0029] (1) The initial NH 4 HF 2 Place in the cleaned reagent heating bottle, fill the reagent bottle with about one-third (about 150g), and can fill six reagent heating bottles (about 900 g) at a time; (2) Put the washed reagent collection bottle with the reagent The heating bottle is tightened by the knob, and then the six reagent heating bottles and reagent collection bottle assemblies are placed in the heating hole, with the reagent heating bottles facing down and the reagent collecting bottle facing up; (3) Turn on the power switch of the heating Each heating block is adjusted to 230 degrees Celsius, NH 4 HF 2 The vapor moves upwards and quickly crystallizes at the bottom of the reagent collection bottle; (4) After 20 minutes, adjust the temperature of the heating module 3.1 to 0, NH 4 HF 2 The steam crystallizes at the position of heating module 3.1; (5) Aft...

Embodiment 2

[0031] In this example, the ammonium fluoride was purified by using the above-mentioned purification device.

[0032] (1) The initial NH 4 F is placed in the cleaned reagent heating bottle and fills up about one-third of the reagent bottle (about 150g), and six reagent heating bottles (about 900 g) can be filled at one time; (2) Put the washed reagent collection bottle with The reagent heating bottle is tightened by the knob, and then the six reagent heating bottles and reagent collection bottle assemblies are placed in the heating hole, the reagent heating bottle is down, and the reagent collection bottle is facing up; (3) Turn on the power switch of the heating device, put All four heating modules are adjusted to 240 degrees Celsius, NH 4 F vapor moves upwards and quickly crystallizes at the bottom of the reagent collection bottle; (4) After 20 minutes, adjust the temperature of the heating module 3.1 to 0, NH 4 F vapor crystallizes at the position of heating module 3.1; (...

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Abstract

The invention belongs to the field of analysis and detection, and particularly relates to a reagent purification device and a method for purifying ammonium bifluoride or ammonium fluoride by using thesame, the reagent purification device enables NH4HF2 or NH4F steam to be crystallized in situ at different positions of a reagent collection bottle in an integral heating and step-by-step cooling manner. The purification device is of a vertical full-closed structure, temperature and time parameters can be designed in advance through programs, and automatic purification is achieved. The equipmentprinciple is simple, multiple units can be combined for use, a large number of NH4HF2 or NH4F reagents are purified at a time, and high efficiency, simplicity and convenience are achieved.

Description

technical field [0001] The invention belongs to the technical field of chemical analysis, and in particular relates to a reagent purification device and a method for purifying ammonium bifluoride or ammonium fluoride using the device. Background technique [0002] The content of major and trace elements and isotope ratio information in geological samples such as rocks, sediments, soils or minerals provide important geochemical information for studying major geoscience issues such as earth evolution, environmental change, ore deposit genesis, and mineral resource distribution. In recent years, the rapid development of instruments and equipment has greatly improved the quality of elemental analysis and isotope composition analysis test data and production efficiency. However, due to the complexity of geological samples, almost all geological samples need to be pretreated in the early stage of overall analysis and testing to completely convert complex solid geological samples i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D7/00B01D7/02C01C1/16
CPCB01D7/00B01D7/02C01C1/16C01C1/162
Inventor 张文胡兆初陈达辉刘宏陈海红
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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