DIN ISO 15923-1-2014 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(ISO 15923-1-2013)
Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)