gb+11894
gb+11894, Total:2 items.
The international standard classification for "gb+11894" includes: .
The Chinese standard classification for "gb+11894" includes: Analysis methods for toxic substances in water .
中华人民共和国环境保护部
- GB 11894-1989 Water quility-Determination of total nitrogen UV spectrophotometric method-Alkaline potassium persulfate digestion method
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB/T 11894-1989 Water quality--Determination of total nitrogen--Alkaline potassium persulfate digestion-UV spectro photometric method
