HG/T 3540-1990
Determination of phosphor in industrial circulating cooling water Ammonium molybdate spectrophotometric method (English Version)

Standard No.

HG/T 3540-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

Professional Standard - Chemical Industry

Status

Be replaced 2012-07

Replace By

HG/T 3540-2011

Latest

HG/T 3540-2011

Scope

This standard specifies the determination of orthophosphate, total inorganic phosphate, and total phosphorus content in industrial circulating cooling water. This standard is applicable to the determination of phosphorus content in industrial circulating cooling water containing PO^(3)|(4) 0.02~50mg/L.

HG/T 3540-1990 history

• 2011 HG/T 3540-2011 Industrial circulating cooling water.Determination of total phosphate
• 1990 HG/T 3540-1990 Determination of phosphor in industrial circulating cooling water Ammonium molybdate spectrophotometric method