Chinese Standard: GB/T 22313-2008

Plastics—Polyols for use in the production of polyurethan—Determination of water content

IDT  ISO 14897:2002

全国塑料标准化技术委员会(SAC/TC 15)

本标准规定了作为聚氨酯原料的多元醇水含量的测定方法。方法A是应用卡尔·费休原理的手动电量法。电量法用于大多数多元醇，包括终点不易观察的有色多元醇。方法B包括自动电量法和自动库仑法。库仑法是绝对法，不需要校准，且比电量法灵敏度高。

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