GB/T 17928-1999
Replaced
GB/T 24331-2009
Active
National standards
GB/T 24331-2009 Chrome powder for tanning
GB/T 24331-2009 Chrome powder for tanning
Basic Information
Standard Code:
GB/T 24331-2009
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Leather processing and products
ICS Name:
Processing and auxiliary materials
Publish Date:
2009-09-30
Implement Date:
2010-02-01
Pages:
11 pages
Scope
This standard specifies the product classification, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage for powdered chromium tanning agents used in the leather industry. This standard applies to powdered chromium tanning agents mainly made from sodium dichromate, which is reduced by glucose or sulfur dioxide, and then mixed with additives.
Development Information
Referenced Standards
Related Standards
GB/T 19940-2005
Abolished
GB/T 19940-2005 Chrome powder—Determination of chromium(VI)
GB/T 22866-2008
Active
GB/T 22866-2008 Leather hardware accessory—Determination of release of nickel
GB/T 38406-2019
Active
GB/T 38406-2019 Leather chemicals—Determination of tannin content in synthetic tanning agents
GB/T 38407-2019
Active
GB/T 38407-2019 Leather and fur chemicals—Determination of chromium(Ⅵ) and the reductive potential for chromium tanning agents
GB/T 38410-2019
Active