German standard methods for the examination of water, waste water and sludge; anions (group D); determination of cyanides in drinking water, and in groundwater and surface water with low pollution levels (D 14)
德国水、废水和污泥检验标准方法;阴离子(D组);饮用水、低污染水平地下水和地表水中氰化物的测定(D 14)