DIN EN ISO 182-2:2000 塑料.基于氯乙烯共聚物、均聚物的化合物及产物在高温下析出氯化氢和其它酸性产物的趋势测定.第2部分:pH值法
Plastics - Determination of the tendency of compounds and products based on vinyl chloride homopolymers and copolymers to evolve hydrogen chloride and any other acidic products at elevated temperatures - Part 2: pH method (ISO 182-2:1990); German version