DIN 38404-3:1976 水、废水和淤泥的检验用德国标准方法 物理和物理化学参数(C组) 第3部分:紫外线范围内光谱吸收的测定、光谱吸收系数(C 3)
German standard methods for the examination of water, waste water and sludge - Physical and physicochemical parameters (group C) - Part 3: Determination of spectral absorption in the UV range, Spectral absorptions coefficient (C 3)