DIN 38409-10:1980-07 德国水、废水和污泥检验标准方法;影响和物质的一般测量(H组),通过水和废水中的质量浓度测定可沉降物质(H10)
German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the settleable matter by mass concentration in water and waste water (H10)