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picture1_Air Sampling Methods Pdf 89847 | Mdhs104


picture2_Air Sampling Methods Pdf 89847 | Mdhs104 picture3_Air Sampling Methods Pdf 89847 | Mdhs104

 109x       Filetype PDF       File size 0.38 MB       Source: www.hse.gov.uk


File: Air Sampling Methods Pdf 89847 | Mdhs104
Health and Safety Executive Volatile organic compounds in air Laboratory method using sorbent tubes, solvent desorption or thermal desorption and gas chromatography Scope 1 Three methods are described for the ...

icon picture PDF Filetype PDF | Posted on 15 Sep 2022 | 2 years ago
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...Health and safety executive volatile organic compounds in air laboratory method using sorbent tubes solvent desorption or thermal gas chromatography scope three methods are described for the determination of time weighted average concentrations vocs sampling onto followed by chromatographic analysis uses pumped with sample introduction diffusive also all suitable personal static these applicable to a wide range two sorbents recommended general use hydrocarbons halogenated esters glycol ethers ketones alcohols most common used is activated coconut shell charcoal although others available specific applications summary guide which tube monitoring appropriate dependent upon required estimated analyte concentration given table upper limit useful determined sorptive capacity linear dynamic chromatograph column detector lower depends on noise level blank levels times order few minutes mg m up hours low flow rate approximate measured volume drawn through containing specifically selected compou...
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