GB/T 258-1977: Determination of acidity of gasoline, kerosene and diesel fuels

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Scope

1.1 This method uses the boiling ethanol to extract the organic acid from the sample; then
uses potassium hydroxide ethanol solution to titrate.
1.2 The milligram-number of potassium hydroxide that is required to neutralize 100 ml of
petroleum product is called acidity.

Basic Data

Standard ID	GB/T 258-1977 (GB/T258-1977)
Description (Translated English)	Determination of acidity of gasoline, kerosene and diesel fuels
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	E31
Classification of International Standard	75.160.20
Word Count Estimation	2,25
Date of Issue	11/8/1977
Date of Implementation	1/1/1978
Older Standard (superseded by this standard)	GB 258-1964
Issuing agency(ies)	National Standardization Bureau
Summary	This Standard specifies extracted with boiling ethanol and organic acids in the sample, and then a solution of potassium hydroxide in ethanol was titrated. And 100 ml of the number of milligrams of potassium hydroxide required for petroleum products called acidity. This Standard is applicable to the determination of acidity was not added ethyl gasoline, kerosene and diesel.