GB/T 6912-2008 Active National standards

GB/T 6912-2008 Analysis of water used in boiler and cooling system—Determination of nitrite

GB/T 6912-2008 Analysis of water used in boiler and cooling system—Determination of nitrite

Publish Date: 2008-04-01 Implement Date: 2008-09-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 6912-2008

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Basic standards and general methods for water treatment agents

ICS Name: Chemical analysis

Publish Date: 2008-04-01

Implement Date: 2008-09-01

Pages: 6 pages

Scope

This standard specifies the methods for determining the nitrite content in raw water, boiler water, and cooling water. In this standard, the molecular absorption spectrophotometry method is suitable for determining the nitrite content in raw water, boiler water, and cooling water ranging from 0 mg/L to 0.25 mg/L; the ultraviolet spectrophotometry method is suitable for determining the nitrite content in raw water, boiler water, and cooling water ranging from 0 mg/L to 25 mg/L.

Development Information

Word Count: 9 Thousand words Pages: 6 pages

Replace the following standards

GB/T 6912.2-1986 Methods for analysis of water for boiler and for cooling—The determination of nitrates and nitrites— Ultraviolet spectrophotometry for nitrites GB/T 6912.3-1986 Methods for analysis of water for boiler and for cooling—The determination of nitrates and nitrites—Alpha-naphthylamine hydrochloride photometric method

Referenced Standards

GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity GB/T 6682-1992 Water for analytical laboratory use—Specification and test methods GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity

Adopt standards

ISO 6777:1984

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