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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: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
SH/T 0251-1993English419 Add to Cart 3 days [Need to translate] Determination of base number of petroleum products (perchloric acid potentiometric titration method)   SH/T 0251-1993
SH/T 0251-1992EnglishRFQ ASK 3 days [Need to translate] (Chinese Industry Standard) Obsolete SH/T 0251-1992

PDF similar to SH/T 0251-1993


Standard similar to SH/T 0251-1993

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Older Standard (superseded by this standard) SH/T 0251-1992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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