GB/T 23770-2009
Liquid inorganic chemical products.General method for the measurement of colour (English Version)

Standard No.

GB/T 23770-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

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

Latest

GB/T 23770-2009

Replace By

TB/T 1437-2013

Scope

This standard specifies the terms and definitions, summary of the method, safety tips, general provisions, reagents, instruments, equipment, analysis steps and results of the general method for measuring chromaticity by visual colorimetry with lead-cobalt standard solution as the standard color judge. This standard applies to the determination of the chromaticity of clear, transparent, light-colored liquid inorganic chemical products whose hue is close to platinum-cobalt standard solution. When using this standard to measure chromaticity, the detection limit is 4 Hazen units.

GB/T 23770-2009 Referenced Document

• GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
• GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
• HG/T 3696.3 Inorganic chemicals for industrical use.Preparations of standard and reagent solutions for chemical analysis.Part 3: Preparations of reagent solutions *， 2011-12-20 Update

GB/T 23770-2009 history

• 2009 GB/T 23770-2009 Liquid inorganic chemical products.General method for the measurement of colour

GB/T 23770-2009 Liquid inorganic chemical products.General method for the measurement of colour was changed to TB/T 1437-2013 Fuel filter for diesel locomotive.