GB 7050-1993
Abolished
GB/T 34323-2017
Active
National standards
GB/T 34323-2017 Carbon black—Determination of light transmittance of water dispersion—Spectrophotometer method
GB/T 34323-2017 Carbon black—Determination of light transmittance of water dispersion—Spectrophotometer method
Basic Information
Standard Code:
GB/T 34323-2017
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Carbon black
ICS Name:
Plastic auxiliary materials and additives
Publish Date:
2017-09-07
Implement Date:
2018-04-01
Pages:
5 pages
Scope
This standard specifies the method of measuring the transmittance of carbon black water dispersions using a visible spectrophotometer. This standard is applicable to coated super-hydrophobic carbon blacks.
Development Information
Referenced Standards
GB/T 3780.8-2002 Carbon black—Determination of heating loss
GB/T 3780.8-2008 Carbon black—Part 8:Determination of heating loss
GB/T 3780.8-2019 Carbon black—Part 8:Determination of heating loss
GB/T 7044-1993 Colour black—Specification
GB/T 7044-2003 Colour carbon black
GB/T 7044-2013 Colour carbon black
GB/T 7044-2022 Colour carbon black
GB/T 8170-1987 Rules for rounding off of numberical values
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
Related Standards
GB/T 7048-1993
Replaced
GB/T 7048-1993 Colour black—Determination of blackness
GB/T 3780.21-2002
Replaced
GB/T 3780.21-2002 Carbon black used in rubber products—Determination of sieve residue—Water washing method
GB/T 3780.5-2002
Replaced
GB/T 3780.5-2002 Carbon black used in rubber products—Determination of specific surface area—CTAB test method
GB/T 9578-2002
Replaced
GB/T 9578-2002 Standard reference black 3#
GB/T 9580-2002
Replaced