gb+11899-1989
gb+11899-1989, Total:2 items.
The international standard classification for "gb+11899-1989" includes: .
The Chinese standard classification for "gb+11899-1989" includes: Analysis methods for toxic substances in water .
中华人民共和国环境保护部
- GB 11899-1989 Water quality-Determination of sulfate-Gravimatric method
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 11899-1989 Water quality--Determination of sulfate--Gravimetric method
