DIN EN 16319:2016 肥料和石灰材料. 王水溶解后采用电感耦合等离子体原子发射光谱法 (ICP-AES) 测定镉, 铬, 铅和镍; 德文版本EN 16319-2013+A1-2015
Fertilizers and liming materials - Determination of cadmium, chromium, lead and nickel by inductively coupled plasma-atomic emission spectrometry (ICP-AES) after aqua regia dissolution; German version EN 16319:2013+A1:2015