GB/T 7490-1987
GB/T 7490-1987, Total:2 items.
The international standard classification for "GB/T 7490-1987" includes: Water quality .
The Chinese standard classification for "GB/T 7490-1987" includes: Analysis methods for toxic substances in water .
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
- GB 7490-1987 Water Quality Determination of Volatile Phenols After Distillation 4-Aminoantipyrine Spectrophotometric Method
- GB/T 7490-1987 Water quality; Determination of volatile phenolic compounds; After distillation by means of 4-AAP spectrophotometric method
gbt,gbt gbt,gbt method,ultraviolet gbt,gbt series,GBT10044,GBT10046,GBT10,GBT100,GBT1000,GBT10000,GB/T 10001.1,GB/T 10001.10,GB/T 10001.2,GB/T 10001.3,GBT10001.4,GBT10001.5,GB/T 7490-1987
