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Database: 189760 (25 Oct 2025)
GB/T 11742-1989 English PDF
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GB/T 11742-1989
: Standard method for hygienic examination of hydrogen sulfide in air of residential areas. Methylene blue spectrophotometric method
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GB/T 11742-1989
English
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Standard method for hygienic examination of hydrogen sulfide in air of residential areas. Methylene blue spectrophotometric method
GB/T 11742-1989
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Basic data
Standard ID
GB/T 11742-1989 (GB/T11742-1989)
Description (Translated English)
Standard method for hygienic examination of hydrogen sulfide in air of residential areas. Methylene blue spectrophotometric method
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
C51
Classification of International Standard
13.040.20
Word Count Estimation
5,595
Date of Issue
9/21/1989
Date of Implementation
7/1/1990
Issuing agency(ies)
Ministry of Health of the People Republic of China
Summary
This standard specifies the use of methylene blue spectrophotometric determination of residential concentration of hydrogen sulfide in the atmosphere. This standard applies to the determination of the concentration of hydrogen sulfide in the atmosphere of residential areas, but also for the determination of indoor air in public places and the concentration of hydrogen sulfide.
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