GB/T 4840.1-1999
Replaced
GB/T 21878-2025
Active
National standards
GB/T 21878-2025 Water-soluble dyes—Determination of shade and spectrostrength
GB/T 21878-2025 Water-soluble dyes—Determination of shade and spectrostrength
Basic Information
Standard Code:
GB/T 21878-2025
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:
2025-08-29
Implement Date:
2026-03-01
Pages:
8 pages
Scope
This document describes the principles, equipment, materials, reagents, and testing methods for the determination of the color and spectral intensity of water-soluble dyes, as well as the testing report.
This document is applicable to the determination of the color and spectral intensity of water-soluble dyes.
Development Information
Replace the following standards
Referenced Standards
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