This standard specifies the spectrophotometric method for the determination of TNT in water quality. This standard applies to the determination of TNT content in ammunition powder industrial wastewater.
GB/T 13903-1992 history
1992GB/T 13903-1992 Water quality.Determination of TNT.Spectrophotometry
GB/T 13903-1992 Water quality.Determination of TNT.Spectrophotometry was changed to HJ 599-2011 Water quality-Determination of TNT N-cetyl pridinium chloride -sodium sulfite spectrophotometric method.