Influence of organic materials on water intended for human consumption - Organic materials; Determination of colour and turbidity of water in piping systems - Part 1: Test method; English version of DIN EN 13052-1
有机材料对人类生活用水的影响——有机材料;管道系统中水颜色和浊度的测定.第1部分:试验方法;德文版EN 13052-1:2001