DIN 38405-14-1988 德国检验水、废水和污泥的标准方法.阴离子(D 组).第14部分:用低度污染标准(D 14)对饮用水、地下水和地面水含氰化物的测定
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)
The standard describes a chemical methods for the determination of cyanides in drinking water. The principle of the method is a decomposition of the cyanide compounds by hydrochloric acid, a separation of the hydrogen cyanide and the following photometric determination of the cyanide.#,,#