GB/T 14640-1993
Industrial circulating cooling water--Determination of potassium--Atomic absorption spectrometry (English Version)

Standard No.

GB/T 14640-1993

Language

Chinese, Available in English version

Release Date

1993

Published By

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

Status

Be replaced 2008-09

Replace By

GB/T 14640-2008

Latest

GB/T 14640-2017

Scope

This standard specifies the determination method of potassium in circulating cooling water. This standard is applicable to the determination of potassium content of 0.3-20mg/L in industrial circulating cooling water, and also applicable to the determination of potassium in various industrial water, raw water and domestic water.

GB/T 14640-1993 history

• 2017 GB/T 14640-2017 Determination of potassium and sodium in water for industrial circulating cooling system and boiler
• 2008 GB/T 14640-2008 Water used in industrial circulating cooling system and boiler.Determination of potassium and sodium
• 1993 GB/T 14640-1993 Industrial circulating cooling water--Determination of potassium--Atomic absorption spectrometry