gb+11897
gb+11897, Total:2 items.
The international standard classification for "gb+11897" includes: .
The Chinese standard classification for "gb+11897" includes: Analysis methods for toxic substances in water .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 11897-1989 Water quality--Determination of free chlorine and total chlorine--Titrimetric method using N,N-diethyl-1,4-phenylenediamine
- GB 11897-1989 Water quality-Determination of free chlorine and total chlorine-Titrimetric method using N,N-diethyl-1,4-phenylenediamine
