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

Inactive Publication Date: 2016-09-07
XINFUJIA AUSTRALIAN ENVIRONMENT TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0008] It can be seen from the above description that the traditional mass flux rate measurement meth

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  • Passive mass flux measurement method and measuring instrument

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Embodiment Construction

[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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Abstract

The present invention relates to mass flux measurement. A passive mass flux measurement method is provided. A passive mass flux measuring instrument equipped with a carbon-base absorption sampling device is included; when a compound steam is passing through a measured surface of the carbon-base absorption sampling device and entering the passive mass flux measuring instrument in a molecular diffusion form, the compound is absorbed and collected by the carbon-base absorption sampling device; and the mass flux of the compound in the mass flux measuring instrument can be calculated by the mass of the compound collected in unit time by the carbon-base absorption sampling device. The present invention can be used to measure the mass flux of volatile and volatile compounds emitted from the surface of a measured object, including the surfaces of natural ground, building floor, building material and the furniture.

Description

technical field [0001] The invention relates to the field of metrology and measurement, in particular to mass flux measurement. Background technique [0002] Mass flux is defined as the rate at which molecules flow through a specified region. Instruments used to measure the strength of the flow of molecules across a specific surface are called mass flux meters. Mass flux meters can be used to measure mass flux to determine the presence or absence of diffusion or flow of volatile and semi-volatile chemical vapors over a particular surface. Chemicals in chemical vapors may pose health risks to humans. [0003] At present, when mass flux is measured, dynamic mass flux measuring instruments are mostly used. [0004] The principle behind calculating mass flow using a dynamic mass flux meter is based on the mass of the compound vapor passing through the dynamic mass flux meter over a given period of time. Clean air is used as an effective carrier for the compound vapor at a ca...

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Application Information

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IPC IPC(8): G01N13/00
Inventor 艾德里安·赫吉
Owner XINFUJIA AUSTRALIAN ENVIRONMENT TECH CO LTD
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