TCVN 6828-2001 Water quality.Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds.Method by analysis of biochemical oxygen demand (closed bottle test)
2001TCVN 6828-2001 Water quality.Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds.Method by analysis of biochemical oxygen demand (closed bottle test)