GB/T 11898-1989
Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine (English Version)
- Standard No.
- GB/T 11898-1989
- Language
- Chinese, Available in English version
- Release Date
- 1989
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2010-12
- Latest
- GB/T 11898-1989
- Replace By
- HJ 586-2010
- Scope
- This standard is equivalent to the international standard ISO7393/2-1985 "Determination of free chlorine and total chlorine in water - Part 2: N, N-diethyl-1,4-phenylenediamine colorimetric method, for routine control." This standard is applicable to the determination of 0.0004～0.07mmol/L (0.03～5mg/L) free chlorine or total chlorine (calculated as Cl2). When the sample concentration is high, it needs to be diluted. 0
GB/T 11898-1989 history
- 1989 GB/T 11898-1989 Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine
GB/T 11898-1989 Water quality--Determinatoin of free chlorine and total chlorine--Spectrophotometric method useing N,N-diethyl-1,4 phenylenediamine was changed to HJ 586-2010 Water quality.Determination of free chlorine and total chlorine.Spectrophotonetric method using N,N-diethyl-1,4-phenylenediamine.
