GB/T 4840.1-1999
Replaced
GB/T 21896-2019
Active
National standards
GB/T 21896-2019 2-Naphthylamine-1,5-disulfonic acid(sulfonic Tobias acid)
GB/T 21896-2019 2-Naphthylamine-1,5-disulfonic acid(sulfonic Tobias acid)
Basic Information
Standard Code:
GB/T 21896-2019
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Dye intermediates
ICS Name:
Comprehensive Chemical Products
Publish Date:
2019-12-31
Implement Date:
2020-11-01
Pages:
9 pages
Scope
This standard specifies the requirements, sampling, testing methods, inspection rules, as well as marking, labeling, packaging, transportation, and storage for 2-naphthylamine-1,5-disulfonic acid (sulfonated Toluidic acid).
This standard is applicable to the quality control of 2-naphthylamine-1,5-disulfonic acid products.
Development Information
Replace the following standards
Referenced Standards
GB/T 2381-2013 Dyestuffs and intermediate of dyestuffs—Determination of content of insoluble matters
GB/T 6678-2003 General principles for sampling chemical products
GB/T 6682-2008 Water for analytical laboratory use—Specification and test methods
GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values
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
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