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Method and apparatus for quick atutomatic determining potassium content

A potassium content and automatic technology, which is applied in measurement devices, geophysical measurement, nuclear radiation exploration and other directions, can solve the problems of rapid measurement that has not been reported in literature, and achieves low power consumption, improved potassium measurement accuracy, and high measurement accuracy. Effect

Inactive Publication Date: 2004-05-26
QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
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Problems solved by technology

However, the direct and rapid determination of potassium in the potassium salt production process and the high-concentration brine of the salt lake has not been reported in the literature.

Method used

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  • Method and apparatus for quick atutomatic determining potassium content
  • Method and apparatus for quick atutomatic determining potassium content
  • Method and apparatus for quick atutomatic determining potassium content

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Embodiment Construction

[0024] The present invention will also be described in further detail in conjunction with accompanying drawing 1,2,3 embodiment:

[0025] A method for quickly and automatically determining the potassium content comprises the following steps: (1) putting the counting probe made of a beta counter tube into a series of standard samples which are consistent with the salinity of the measured sample and have different potassium contents, and then place them one by one at the same time. Measure the electric pulse generated by the beta counter tube caused by the beta radiation produced by potassium, and then make the relationship curve between the potassium content of the standard sample and the corresponding count value; (2) then put a counting probe into the tested sample, and measure the Potassium plus the electrical pulse signal of natural background radiation; put another counting probe into the blank sample to measure the electrical pulse signal of natural background radiation; (...

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Abstract

The method for quickly automatically determining potassium content includes the following steps: (1) placing counting probe into a series of standard samples which are identical to the tested sample in mineralization and different from one in potassium content; one-by-one measuring electric pulse produced by beta-counting tube driven by beta-radiation ray produced by potassium, and making relation curve of potassium contents of standard samples and correspondent counting values; (2) respectively placing two counting probes into tested sample and blank sample, and respectively measuring electric pulse signal of the tested sample plus natural background radiation; and (3). processing signals measured by two probes and feeding them into CPU microprocessing unit to make data processing, then using count difference of two probes to obtain potassium content of tested sample by means of the standard curve. Said invented method is simple, reliable, stable and high in measurement accuracy.

Description

technical field [0001] The invention relates to an electronic measurement technology, in particular to a method and equipment for quickly and automatically measuring potassium content. Background technique [0002] During the development of salt lakes, keep abreast of the changes in potassium content in liquid and solid deposits and the online changes in potassium ion content in the potassium salt production process, as well as the potassium content in potassium salt products (grades of potassium chloride, potassium sulfate and potassium nitrate taste) are very important. How to determine the potassium content in the above solutions and solid samples has become an important issue in the development of salt lakes and the production of potassium salts. The conventional method is to manually take samples according to the specific conditions on site, and analyze them by gravimetric method, volumetric method, or ion selective electrode, atomic absorption and other instruments. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/00G01V5/06
Inventor 祁永唐马育华王相明李天福王磊赵俊沛沈兰荪邸瑞芝赵忠旭
Owner QINGHAI INST OF SALT LAKES OF CHINESE ACAD OF SCI
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