HG/T 3525-2003
Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocatechol violet (English Version)

Standard No.

HG/T 3525-2003

Language

Chinese, Available in English version

Release Date

2004

Published By

Professional Standard - Chemical Industry

Status

Be replaced 2012-07

Replace By

HG/T 3525-2011

Latest

HG/T 3525-2011

Scope

This standard specifies a method for the determination of aluminum ions in industrial circulating cooling water - catechol violet spectrophotometry. This standard is applicable to the determination of aluminum ions in industrial circulating cooling water between 2 μg/L and 500 μg/L. It is also applicable to the determination of aluminum ions in drinking water, groundwater, lightly polluted surface water and seawater.

HG/T 3525-2003 history

• 2011 HG/T 3525-2011 Industrial circulating cooling water.Determination of aluminium
• 2004 HG/T 3525-2003 Industrial circulating cooling water-Determination of aluminium-Spectrometric method using pyrocatechol violet
• 1970 HG/T 3525-1985 Industrial circulating cooling water.Determination of aluminium