Direct quantitative calibration method for measuring hydrolyzable fluoride in sulfur hexafluoride gas
A technology of sulfur hexafluoride gas and calibration method, applied in the direction of analysis materials, instruments, etc., can solve the problems of heavy workload and cumbersome operation, and achieve the effect of improving efficiency, ensuring safety, and ensuring test accuracy and stability
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[0013] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.
[0014] The invention proposes a direct quantitative verification method for the measurement of hydrolyzable fluoride in sulfur hexafluoride gas, which includes selecting easily hydrolyzed thionyl fluoride (SOF2) standard gas as a quantitative basis, and passing the SOF2 standard gas into the absorption In the solution, the SOF2 standard gas is completely dissolved in the absorption solution, and the concentration of fluorine ions in the absorption solution is proportional to the volume of the SOF2 standard gas.
[0015] The absorption solution is a sodium hydroxide solution of a certain concentration; SOF The volume of the standard gas is measured by a gas mass flowmeter; the fluoride ion concen...
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