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JIS A 1968:2015
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Indoor Air - Sampling And Analysis Of Volatile Organic Compounds By Solvent Desorption/capillary Gas Chromatography - Pumped Sampling
Hardcopy
Japanese
25-03-2015
1 Scope 2 Normative references 3 Definitions 4 Principle5 Reagents and equipment 5.1 Volatile organic compounds (VOC) 5.2 Solvent 5.3 Calibration standard 5.4 Adsorbent6 Apparatus 6.1 Sampler 6.2 Syringe 6.3 Pump for sampling 6.4 Connecting tube 6.5 Soap film flowmeter or other pump calibrating implement 6.6 Gas chromatograph7 Calibration of pump8 Sampling9 Procedures 9.1 Precautions on safety 9.2 Desorption and analysis 9.3 Calibration curve 9.4 Measurement of sample concentration 9.5 Measurement of desorption efficiency10 Calculation 10.1 Mass concentration of the analyte component 10.2 Volume concentration of the analyte component11 Interference12 Analytical characteristics13 Test report14 Quality controlAnnex 1 (informative) Measurement of breakthrough volumeAnnex 2 (informative) Estimation of retention volume by extrapolationAnnex 3 (informative) Classification of adsorbents
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