DIN ISO 15923-1 E:2012-01 水质 采用离散分析系统测定选择参数 第1部分:利用光度计检测铵, 硝酸盐, 亚硝酸盐, 氯化物, 正磷酸盐, 硫酸盐和硅酸盐
Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection