HJ 487-2009
Water quality.Determination of fluoride.Visual colormetry with zirconium alizarinsulfonate (English Version)

Standard No.

HJ 487-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

Professional Standard - Environmental Protection

Latest

HJ 487-2009

Replace

GB/T 7482-1987

Scope

This standard specifies the visual colorimetric determination of fluoride in drinking water, surface water, groundwater and industrial wastewater by zirconium alizarin sulfonate. This standard applies to the determination of fluoride in drinking water, surface water, groundwater and industrial wastewater. When taking a 50ml sample and directly measuring the concentration of fluoride, the detection limit of this method is 0.1mg/L, the lower limit of determination is 0.4mg/L, and the upper limit of determination is 1.5mg/L (high-content samples can be analyzed after dilution).

HJ 487-2009 history

• 2009 HJ 487-2009 Water quality.Determination of fluoride.Visual colormetry with zirconium alizarinsulfonate

HJ 487-2009 Water quality.Determination of fluoride.Visual colormetry with zirconium alizarinsulfonate has been changed from GB/T 7482-1987 Water quality--Determination of fluoride--Visual colorimetry with zirconium alizarinsulfonate.