DIN 38402-51-2015 检查水, 废水和污泥的德国标准方法. 通用信息 (A组). 第51部分: 分析方法的校准. 线性定标 (A 51)
German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 51: Calibration of analytical methods - Linear calibration (A 51)