online cod
online cod, Total:3 items.
The international standard classification for "online cod" includes: .
The Chinese standard classification for "online cod" includes: Chemical Measurement .
National Metrological Verification Regulations of the People's Republic of China
- JJG 1012-2019 On-line Automatic Determinators of Chemical Oxygen Demand (COD)
- JJG 1012-2006 Verification Regulation of On-line Automatic Determination of Chemical Oxygen Demand (COD)
National Metrological Technical Specifications of the People's Republic of China
- JJF 1786-2019 Program of Pattern Evaluation of On-line Automatic Determinators for Chemical Oxygen Demand (COD)
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