GB/T 6816-1986
Abolished
DB23/T 3974-2024
Active
Heilongjiang ProvinceLocal standards
DB23/T 3974-2024 Monitoring technical specifications for fecal coliforms and total coliforms in black soil
DB23/T 3974-2024 Monitoring technical specifications for fecal coliforms and total coliforms in black soil
Basic Information
Standard Code:
DB23/T 3974-2024
Standard Type:
Local standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analysis methods for toxic substances in water environments
ICS Name:
\nWater quality
Publish Date:
2025-12-30
Implement Date:
2026-01-29
Publisher:
黑龙江省市场监督管理局
Technical Committee:
省生态环境厅
Development Information
Related Standards
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