GB/T 6816-1986
Abolished
GB/T 12990-1991
Active
National standards
GB/T 12990-1991 Water quality—Microbial community biomonitoring—PFU method
GB/T 12990-1991 Water quality—Microbial community biomonitoring—PFU method
Basic Information
Standard Code:
GB/T 12990-1991
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Methods for measuring the quality of other environmental factors
ICS Name:
\nWater quality
Publish Date:
1991-08-19
Implement Date:
1992-04-01
Publisher:
The National Technical Supervision Bureau and the National Environmental Protection Bureau
Technical Committee:
\n
Pages:
160 pages
Development Information
Drafting Units:
The Institute of Aquatic Biosciences of the Chinese Academy of Sciences and the Beijing Municipal Environmental Monitoring Center
Drafting Persons:
Shen Yunfen and Ren Jiasheng
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GB/T 6920-1986
Active
GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method
GB/T 7466-1987
Active
GB/T 7466-1987 Water quality—Determination of total chromium
GB/T 7467-1987
Active
GB/T 7467-1987 Water quality—Determination of chromium (Ⅵ)—1,5 Diphenylcarbohydrazide spectrophotometric method
GB/T 7468-1987
Abolished
GB/T 7468-1987 Water quality—Determination of total mercury—Cold atomic absorption spectropho to metry
GB/T 7469-1987
Active