Environmental tobacco smoke. Determination of vapour phase nicotine and 3-ethenylpyridine in air. Gas chromatographic method1 Scope This International Standard specifies a method for the sampling and determination of nicotine and 3 ethenylpyridine (3 EP) in environmental tobacco smoke (ETS). This method is applicable to personal and area sampling.

With compliance and obedience to ISO 15747

aeration of the distillate to remove carbon dioxide and titration of the acetic acid with sodium hydroxide solution

He-Ne laser

Scope of BS 5839-6

and those with devices producing vendor-specific or standardized BDB formats

safety and other regulatory matters are not considered specifically

BS F 138 on polyester plain (bobbin) netting is helpful for:

voids and bulking of aggregates about

BS EN 806-3:2006 Specifications for installations inside buildings conveying water for human consumption

standard-conforming systems are not limited to these functions and features

5) Organization recovery planning

fire resistance and surface spread of flame