GB/T 4293-1984
abolished_transferred
GB/T 20214-2006
Active
National standards
GB/T 20214-2006 Crystalline layered sodium disilicate
GB/T 20214-2006 Crystalline layered sodium disilicate
Basic Information
Standard Code:
GB/T 20214-2006
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Chemical auxiliaries, surfactants, catalysts, and water treatment agents
ICS Name:
Salt
Publish Date:
2006-03-10
Implement Date:
2006-10-01
Pages:
5 pages
Scope
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of layered crystalline sodium disilicate. This standard applies to layered crystalline sodium disilicate used in powdered detergents. This product is used in powdered detergent formulations to soften water hardness, provide pH buffering, and prevent the re-deposition of dirt.
Development Information
Referenced Standards
GB/T 19421.1-2003 Test methods of crystalline layered sodium disilicate—Qualitative analysis of delta-crystalline layered sodium disilicate-Method of X-ray diffractometer
GB/T 19421.2-2003 Test methods of crystalline layered sodium disilicate—Measurement of whiteness
GB/T 19421.3-2003 Test methods of crystalline layered sodium disilicate—Method for determination of pH
GB/T 19421.4-2003 Test methods of crystalline layered sodium disilicate—EDTA volumetric methods for determination of calciumion exchange capacity
GB/T 19421.5-2003 Test methods of crystalline layered sodium disilicate—EDTA volumetric methods for determination of magnesium exchange capacity content
GB/T 19421.6-2003 Test methods of crystalline layered sodium disilicate—Gravimetric methods for determination of the loss on ignition
GB/T 19421.9-2003 Test methods of crystalline layered sodium disilicate—Potassium fluosilicate volumetric methods for determination of sodium oxide content
GB/T 19421.10-2003 Test methods of crystalline layered sodium disilicate—Potassium fluosilicate volumetric methods for determination of silica dioxide content
Related Standards
GB/T 6275-1986
Abolished
GB/T 6275-1986 Ammonium hydrogen carbonate for industrial use
GB/T 6276.1-1986
Replaced
GB/T 6276.1-1986 Ammonium hydrogen carbonate for industrial use—Determination of total alkalinity—Volumetric method
GB/T 6276.2-1986
Replaced
GB/T 6276.2-1986 Ammonium hydrogen carbonate for industrial use—Determination of chloride content—Potentiometric method
GB/T 6276.3-1986
Replaced
GB/T 6276.3-1986 Ammonium hydrogen carbonate for industrial use—Determination sulphide content—Visible turbidimetric method
GB/T 6276.4-1986
Replaced