DIN 38402-60:2013 检查水, 废水和污泥的德国标准方法. 通用信息(A组). 第60部分: 化学和理化水分析的分析质量保证(A 60)
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 60: Analytical quality assurance for chemical and physicochemical water analysis (A 60)