HJ/T 50-1999
Water quality.Determination of trichloro-aldehyde.3-methyl-1-phenyl-5-pyrazolone spectrophotometric method (English Version)

Standard No.

HJ/T 50-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Environmental Protection

Latest

HJ/T 50-1999

Scope

This standard specifies the method for the spectrophotometric determination of trichloroacetaldehyde in water using 1-phenyl-3-methyl-5-pyrazolone. This standard is applicable to the determination of trichloroacetaldehyde in farmland irrigation water quality, groundwater and urban sewage.

HJ/T 50-1999 history

• 1999 HJ/T 50-1999 Water quality.Determination of trichloro-aldehyde.3-methyl-1-phenyl-5-pyrazolone spectrophotometric method