water cod
water cod, Total:3 items.
The international standard classification for "water cod" includes: Chemical analysis .
The Chinese standard classification for "water cod" includes: Basic standards and general methods for water treatment agent .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 15456-2008 Industrial circulating cooling water - Determination of the chemical oxygen demand - Potassium permanganate method
- GB/T 15456-1995 Industrial circulating cooling water－Determination of the chemical oxygen demand －Potassium permanganate method
国家市场监督管理总局、中国国家标准化管理委员会
- GB/T 15456-2019 Determination of the chemical oxygen demand in industrial circulating cooling water—Permanganate index method
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