GB/T 11446.7-1997
Test method for trace chloride, nitrate, phosphate, sulfate in electronic grade water by ion-chromatography (English Version)

Standard No.

GB/T 11446.7-1997

Language

Chinese, Available in English version

Release Date

1997

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2014-08

Replace By

GB/T 11446.7-2013

Latest

GB/T 11446.7-2013

Scope

This standard specifies the trace chlorine ion (Cl-), nitrate ion (NO³), phosphate ion (PO₄^3-), sulfate ion ( SO42-) ion chromatography test method. This standard applies to the detection of trace chloride ions, nitrate ions, phosphate ions and sulfate ions in electronic grade water.

GB/T 11446.7-1997 history

• 2013 GB/T 11446.7-2013 Test method for trace anion in electronic grade water by ion chromatography
• 1997 GB/T 11446.7-1997 Test method for trace chloride, nitrate, phosphate, sulfate in electronic grade water by ion-chromatography

GB/T 11446.7-1997 -All Parts