HJ 669-2013
Water quality.Determination of phosphate.Ion chromatography (English Version)

Standard No.

HJ 669-2013

Language

Chinese, Available in English version

Release Date

2013

Published By

Professional Standard - Environmental Protection

Latest

HJ 669-2013

Scope

This standard specifies an ion chromatographic method for the determination of soluble phosphate in water. This standard applies to the determination of soluble phosphate in surface water, groundwater and precipitation. When the injection volume is 50 μl, the detection limit of this standard method for determining soluble phosphate (calculated as PO) is 0.007 mg/L, and the lower limit of determination is 0.028 mg/L.

HJ 669-2013 Referenced Document

• HJ 493 Water quality.Technical regulation of the preservation and handling of samples
• HJ/T 164 Technical specifications for environmental monitoring of groundwater
• HJ/T 91 Technical Specifications Requirements for Monitoring of Surface Water and Waste Water

HJ 669-2013 history

• 2013 HJ 669-2013 Water quality.Determination of phosphate.Ion chromatography