JIS A 1962:2015
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The latest, up-to-date edition.
Determination Of Formaldehyde And Other Carbonyl Compounds In Indoor Air And Test Chamber Air - Active Sampling Method
Hardcopy
Japanese
03-25-2015
Introduction 1 Scope 2 Normative references 3 Principle 4 Limitations and interferences 4.1 General 4.2 Ozone interference 5 Safety measures 6 Apparatus 6.1 Sampling 6.2 Sample preparation 6.3 Sample analysis 7 Reagents 7.1 2,4-Dinitrophenylhydrazine 7.2 Acetonitrile 7.3 Water 7.4 Perchloric acid 7.5 Hydrochloric acid 7.6 Formaldehyde 7.7 Aldehydes and ketones 7.8 Ethanol or methanol 7.9 Nitrogen 7.10 Activated carbon 7.11 Helium 8 Preparation of reagents and cartridges 8.1 Purification of 2,4-dinitrophenylhydrazine 8.2 Preparation of DNPH-formaldehyde derivative 8.3 Preparation of DNPH-formaldehyde standards 8.4 Preparation of DNPH-coated silica gel cartridges 9 Procedure 9.1 Sample collection 9.2 Process blanks 9.3 Sample analysis 10 Calculations 11 Performance criteria and quality assurance 11.1 General 11.2 Standard Operating Procedures (SOPs) 11.3 HPLC system performance 11.4 Sample loss 12 Test report 13 Precision and uncertainty Annex A (informative) Precision and uncertainty Annex B (informative) Melting points of DNPH-carbonyl derivatives BibliographyAnnex 1 (informative) Comparison table between JIS and corresponding International Standard
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