GB 4862-1984
Replaced
LY/T 1642-2005
Active
Industry standards-Forestry
LY/T 1642-2005 Test method for analysis of tannic acid
LY/T 1642-2005 Test method for analysis of tannic acid
Basic Information
Standard Code:
LY/T 1642-2005
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Forestry chemical raw materials
ICS Name:
Agriculture and forestry
Publish Date:
2005-08-16
Implement Date:
2005-12-01
Pages:
9 pages
Scope
This standard specifies the test methods for the analysis of tannic acid. This standard is applicable to the analysis of the quality of tannic acid products made from five-spice as raw materials for different purposes.
Development Information
Referenced Standards
GB/T 8449
GB/T 8450
GB/T 8451
GB/T 602-2002 Chemical reagent—Preparations of standard solutions for impurity
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 6284-1986 Chemical products for industrial use—General method for determination of water content—Gravimetric method
GB/T 6284-2006 Chemical products for industrial use—General method for determination of water content—The loss of mass on drying method
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
GB/T 602-2026 Chemical reagent—Preparations of standard solutions for impurity
Related Standards
GB/T 8137-1987
Replaced
GB/T 8137-1987 Seed lac—Specification
GB/T 8138-1987
Replaced
GB/T 8138-1987 Shellac
GB/T 8139-1987
Replaced
GB/T 8139-1987 Dewaxed shellac, Decolorized shellac and decolorized dewaxed shellac
GB/T 8140-1987
Replaced
GB/T 8140-1987 Bleached lac
GB/T 8141-1987
Replaced