Fertilizers and liming materials - Determination of chromium (VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B); German and English version EN 16318:2013/prA1:2015
Fertilizers and liming materials - Determination of chromium(VI) by photometry (method A) and by ion chromatography with spectrophotometric detection (method B); German version EN 16318:2013+A1:2016— 24 стр.