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HG/T 2022-1991 English PDF

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HG/T 2022-1991: Determination of free chlorine and total chlorine in industrial circulating cooling water N, N-Diethyl-1, 4-Phenylenediamine titration
Status: Obsolete
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
HG/T 2022-1991English239 Add to Cart 2 days [Need to translate] Determination of free chlorine and total chlorine in industrial circulating cooling water N, N-Diethyl-1, 4-Phenylenediamine titration Obsolete HG/T 2022-1991

PDF similar to HG/T 2022-1991


Standard similar to HG/T 2022-1991

HJ 828   HJ 915   HJ 694   

Basic data

Standard ID HG/T 2022-1991 (HG/T2022-1991)
Description (Translated English) Determination of free chlorine and total chlorine in industrial circulating cooling water N, N-Diethyl-1, 4-Phenylenediamine titration
Sector / Industry Chemical Industry Standard (Recommended)
Classification of Chinese Standard Z16
Classification of International Standard 13.060.45
Word Count Estimation 6,642
Date of Issue 6/27/1991
Date of Implementation 1/1/1991
Older Standard (superseded by this standard) HG 5-1505-1985
Adopted Standard ISO 7393-1-1985, NEQ
Regulation (derived from) Industry-Science (2010) No. 77

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