GB/T 4840.1-1999
Replaced
GB/T 21896-2008
Replaced
National standards
GB/T 21896-2008 2-Naphthylamine-1,5-disulfonic acid (Sulphonic Tobias acid )
GB/T 21896-2008 2-Naphthylamine-1,5-disulfonic acid (Sulphonic Tobias acid )
Basic Information
Standard Code:
GB/T 21896-2008
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Dye intermediates
ICS Name:
Comprehensive Chemical Products
Publish Date:
2008-05-15
Implement Date:
2008-11-01
Pages:
8 pages
Scope
This standard specifies the requirements, sampling, test methods, inspection rules, and marking, labeling, packaging, transportation, and storage for 2-naphthamide-1,5-disulfonic acid (sulfonated Tosyl acid) products. This standard applies to the quality control of 2-naphthamide-1,5-disulfonic acid (sulfonated Tosyl acid) products, which are primarily used in the dye and pigment industries.
Development Information
Superseded by the following standards
Referenced Standards
GB/T 1250-1989 Rules for expression and judgement of limiting values
GB/T 2381-2006 Dyestuffs and intermediate of dyestuffs—Determination of content of insoluble matters
GB/T 6678-2003 General principles for sampling chemical products
GB/T 601-2002 Chemical reagent Preparations of standard volumetric solutions
GB/T 601-2016 Chemical reagent—Preparations of reference titration solutions
GB/T 603-2002 Chemical reagent—Preparations of reagent solutions for use in test methods
GB/T 603-2023 Chemical reagent—Preparations of reagent solutions for use in test methods
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
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