IP 431:1998 (R2004)现行
Petroleum Products - Determination Of Acid Number - Semi-micro Colour-indicator Titration Method
出版：Energy Institute (formerly Institute of Petroleum)
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基本信息
标准编号： IP 431:1998 (R2004)
标准类别：Standard
出版单位：Energy Institute (formerly Institute of Petroleum)
标准页数：7
标准简介
Gives a semi-micro colour-indicator method for the determination of acidic constituents in new or used petroleum products and lubricants soluble in mixtures of toluene and propan-2-ol, or capable of existing as suspensions in those mixtures, and where the suspended material is sufficiently dissociated that its acidic components can be titrated.
标准备注
Also numbered as BS 2000-431(1998) (05/2002)
