Tobacco and tobacco products - Determination of nicotine purity - Gravimetric method using tungstosilicic acid (ISO 13276:2017); Text in German and English— 10 стр.
General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2017); German and English version EN ISO/IEC 17025:2017— 65 стр.
Tobacco and tobacco products - Determination of nicotine purity - Gravimetric method using tungstosilicic acid (ISO 13276:2017); Text in German and English— 10 стр.
Tobacco and tobacco products - Determination of nicotine purity - Gravimetric method using tungstosilicic acid (ISO 13276:2017); Text in German and English— 10 стр.