Passive mass flux measurement method and measuring instrument
A mass flux and measurement method technology, applied in the direction of measuring devices, instruments, scientific instruments, etc., can solve problems such as troublesome assembly, inconvenient operation, and large volume of measuring equipment, and achieve the effects of easy portability, low detection limit, and light weight
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[0046] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific diagrams.
[0047] The passive mass flux measurement method includes a passive mass flux measuring instrument equipped with a carbon-based absorption sampling device; when the compound vapor passes through the measured surface of the carbon-based absorption sampling device, it enters the passive mass flux measuring instrument in the form of molecular diffusion , the compound will be absorbed and collected by the carbon-based absorption sampling device; the mass flux of the compound in the passive mass flux measuring instrument can be calculated by the mass of the compound collected by the carbon-based absorption sampling device per unit time. The invention can be used to measure the mass flux of volatile and semi-volatile compounds emanating from the surface of t...
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