GB/T 1653-1997
Replaced
LY/T 1091-2010
Active
Industry standards-Forestry
LY/T 1091-2010 Valonea extract
LY/T 1091-2010 Valonea extract
Basic Information
Standard Code:
LY/T 1091-2010
Standard Type:
Industry standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Forestry chemical raw materials
ICS Name:
Other chemical products
Publish Date:
2010-02-09
Implement Date:
2010-06-01
Pages:
5 pages
Scope
This standard specifies the technical requirements, test methods, inspection rules, and packaging, marking, storage, and transportation of tannin extract from oak galls.
This standard applies to powdered tannin extract made from the shell galls of Quercus acutissima or Quercus variabilis, which are extracted by water immersion, concentrated, chemically treated or untreated, and dried. It is mainly used for hard water softening, desulfurization in fertilizer production, boiler descaling, mineral processing, drilling mud treatment, and leather making.
Development Information
Replace the following standards
Referenced Standards
Related Standards
LY/T 1645-2005
Active
LY/T 1645-2005 Domestic camphor
WB/T 1023-2005
Active
WB/T 1023-2005 Magnesite cement material modifiers
GB/T 20621-2006
Active
GB/T 20621-2006 Generator of complex chlorine dioxide by chemical reaction
GB/T 20622-2006
Active
GB/T 20622-2006 Stable isotope 15N inorganic labelled compound
GB/T 20783-2006
Replaced