GB/T 4840.1-1999
Replaced
GB/T 23979.2-2009
Active
National standards
GB/T 23979.2-2009 Fluorescent whitening agents—Determination of relative whiteness and shade—Dyeing method for paper
GB/T 23979.2-2009 Fluorescent whitening agents—Determination of relative whiteness and shade—Dyeing method for paper
Basic Information
Standard Code:
GB/T 23979.2-2009
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Basic standards and general methods for dyes
ICS Name:
Comprehensive Chemical Products
Publish Date:
2009-06-02
Implement Date:
2010-02-01
Pages:
5 pages
Scope
This standard specifies the method for determining the whitening intensity and color light of fluorescent whitening agents used in paper whitening.
This standard is applicable to the determination of the whitening intensity and color light of fluorescent whitening agents used in paper whitening.
Development Information
Same series standard
Referenced Standards
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 7974-2013 Paper,board and pulps—Measurement of diffuse blue reflectance factor—D65 brightness(Diff/ Geometry,Outdoor daylight conditions)
Related Standards
GB/T 4840.2-1999
Replaced
GB/T 4840.2-1999 o-Nitroaniline
GB/T 4840.3-1999
Replaced
GB/T 4840.3-1999 m-Nitroaniline
GB 16483-2000
Replaced
GB 16483-2000 General rules for preparation of chemical safety data sheet
GB/T 6678-2003
Active
GB/T 6678-2003 General principles for sampling chemical products
GB/T 6679-2003
Active