SH/T 0251-1993 English PDF

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SH/T 0251-1993: Determination of base number of petroleum products (perchloric acid potentiometric titration method)

SH/T 0251: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SH/T 0251-1993	419	Add to Cart	3 days	Determination of base number of petroleum products (perchloric acid potentiometric titration method)
SH/T 0251-1992	RFQ	ASK	3 days	(Chinese Industry Standard)	Obsolete

Similar standards

SH/T 0305   GB/T 259   

Basic data

Standard ID: SH/T 0251-1993 (SH/T0251-1993)
Description (Translated English): Determination of base number of petroleum products (perchloric acid potentiometric titration method)
Sector / Industry: Petrochemical Industry Standard (Recommended)
Classification of Chinese Standard: E30
Classification of International Standard: 75.160
Word Count Estimation: 12,168
Date of Issue: 6/11/1993
Date of Implementation: 5/1/1994
Older Standard (superseded by this standard): SH/T 0251-1992
Quoted Standard: GB/T 6682
Adopted Standard: ASTM D2896-1988, NEQ
Summary: This standard specifies the method for determining the value of the sample base potentiometric titration with perchloric acid. This standard specifies the method includes the positive titration and back titration of two types, each method is divided into A and B method. This standard applies to the determination of petroleum products and used oils as well as a basic component additives, these ingredients include organic bases, inorganic bases, amino compounds, salts of weak acids (soaps), multi-alkali salts and heavy metal salts class.

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