GB/T 23979.2-2009
Fluorescent whitening agents.Determination of relative whiteness and shade.Dyeing method for paper (English Version)

Standard No.
GB/T 23979.2-2009
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 23979.2-2009
Scope
This standard specifies the method for measuring the whitening intensity and shade of fluorescent whitening agents when whitening paper. This standard applies to the determination of the whitening intensity and shade of fluorescent whitening agents when whitening paper.

GB/T 23979.2-2009 Referenced Document

  • GB/T 2374-2007 Dyestuffs.General rules for dyeing test
  • GB/T 6682-2008 Water for analytical laboratory use.Specification and test methods
  • GB/T 7973-2003 Paper,board and pulps-Measurement of diffuse reflectance factor(Diff/ Geometry)
  • GB/T 7974-2002 Paper,board and pulp-Measurement of brightness--Diff/Geometry

GB/T 23979.2-2009 history

  • 2009 GB/T 23979.2-2009 Fluorescent whitening agents.Determination of relative whiteness and shade.Dyeing method for paper
Fluorescent whitening agents.Determination of relative whiteness and shade.Dyeing method for paper

GB/T 23979.2-2009 -All Parts




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