HJ 632-2011
Soil. Determination of Total Phosphorus by alkali fusion. Mo-Sb Anti spectrophotometric method (English Version)

Standard No.

HJ 632-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

Professional Standard - Environmental Protection

Latest

HJ 632-2011

Scope

This standard specifies the alkali fusion-molybdenum antimony spectrophotometric method for the determination of total phosphorus in soil. This standard applies to the determination of total phosphorus in soil. When the sample amount is 0.2500g and a 30mm cuvette is used, the detection limit of this method is 10.0mg/kg, and the lower limit of determination is 40.0mg/kg.

HJ 632-2011 Referenced Document

• HJ 613 Soil.Determination of dry matter and water content.Gravimetric method
• HJ/T 166 Technical specification for soil environmental monitoring

HJ 632-2011 history

• 2011 HJ 632-2011 Soil. Determination of Total Phosphorus by alkali fusion. Mo-Sb Anti spectrophotometric method