BS ISO 21045:2018

Действует

Tobacco and tobacco products. Determination of ammonia. Method using ion chromatographic analysis — 20 стр.

Ссылочные документы

ISO/TR 22971:2005

Действует

Accuracy (trueness and precision) of measurement methods and results -- Practical guidance for the use of ISO 5725-2:1994 in designing, implementing and statistically analysing interlaboratory repeatability and reproducibility results — 40 стр.