German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 7: Determination of acid and base-neutralizing capacities (H 7)
德国水、废水和污泥检验标准方法.效果和物质表征参数(H组).第7部分:酸碱中和能力的测定(H 7)