Draft Document - General methods of test for pigments - Part 19: Determination of water-soluble nitrates (Salicylic acid method) (ISO/FDIS 787-19:2020); German and English version prEN ISO 787-19:2020
文件草案.颜料的一般试验方法.第19部分:水溶性硝酸盐的测定(水杨酸法)(ISO/FDIS 787-19-2020);德文和英文版本prEN ISO 787-19:2020