GB/T 19421.10-2003
Test methods of crystalline layered sodium disilicate--Potassium fluosilicate volumetric methods for determination of silica dioxide content (English Version)

Standard No.
GB/T 19421.10-2003
Language
Chinese, Available in English version
Release Date
2003
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
 2008-12
Replace By
GB/T 19421-2008
Latest
GB/T 19421-2008
Scope
This part of GB/T 19421 specifies the method for the determination of silicon dioxide content in layered crystalline sodium disilicate by potassium fluorosilicate volumetric method. This part applies to the determination of the silicon dioxide content (50% to 70%) in layered crystalline sodium disilicate that can be used as a detergent builder.

GB/T 19421.10-2003 history

  • 2008 GB/T 19421-2008 Test methods of crystalline layered sodium disilicate
  • 2003 GB/T 19421.10-2003 Test methods of crystalline layered sodium disilicate--Potassium fluosilicate volumetric methods for determination of silica dioxide content

GB/T 19421.10-2003 Test methods of crystalline layered sodium disilicate--Potassium fluosilicate volumetric methods for determination of silica dioxide content was changed to GB/T 19421-2008 Test methods of crystalline layered sodium disilicate.

Test methods of crystalline layered sodium disilicate--Potassium fluosilicate volumetric methods for determination of silica dioxide content

GB/T 19421.10-2003 -All Parts

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 19421.10-2003 Test methods of crystalline layered sodium disilicate--Potassium fluosilicate volumetric methods for determination of silica dioxide content GB/T 19421.11-2003 Test methods of crystalline layered sodium disilicate--Atomic absorption spectrophotometric methods for determination of calcium oxide content GB/T 19421.12-2003 Test methods of crystalline layered sodium disilicate--Atomic absorption spectrophotometric methods for determination of magnesium oxide content 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 19421.7-2003 Test methods of crystalline layered sodium disilicate-Gravimetric methods for determination of hygroscopic moisture GB/T 19421.8-2003 Test methods of crystalline layered sodium disilicate--Phenanthroline photometric methods for determination of iron oxide content GB/T 19421.9-2003 Test methods of crystalline layered sodium disilicate--Potassium fluosilicate volumetric methods for determination of sodium oxide content


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