GB/T 6904-2008
Water used in industrial circulating cooling system and boiler.Determination of pH (English Version)

Standard No.

GB/T 6904-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

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

Latest

GB/T 6904-2008

Replace

GB/T 15893.2-1995 GB/T 6904.1-1986

Scope

This standard specifies the method for the determination of pH in industrial circulating cooling water and boiler water. This standard is applicable to the determination of the pH value of industrial circulating cooling water and boiler water within the range of 0 to 14. This standard is also applicable to the determination of the pH of natural water, sewage, demineralized water, boiler feed water and pure water.

GB/T 6904-2008 Referenced Document

• GB/T 603 Preparation of preparations and products used in chemical reagent test methods*， 2023-08-06 Update
• GB/T 6682 Water for analytical laboratory use.Specification and test methods*， 2008-05-15 Update

GB/T 6904-2008 history

• 2008 GB/T 6904-2008 Water used in industrial circulating cooling system and boiler.Determination of pH
• 1995 GB/T 15893.2-1995 Industrial circulating cooling water--Determination of pH--Electrometric method
• 1993 GB/T 6904.3-1993 Analysis of water used in boiler and cooling system. Determination of pH. The glass electrode method for pure water
• 1986 GB/T 6904.1-1986 Methods for analysis of water for boiler and for cooling--The determination of pH--The glass electrode method

GB/T 6904-2008 Water used in industrial circulating cooling system and boiler.Determination of pH has been changed from GB/T 15893.2-1995 Industrial circulating cooling water--Determination of pH--Electrometric method.