GB/T 9984.1-1988
The measurement of whiteness for industrial sodium tripolyphosphate(including foodstuffs) (English Version)

Standard No.
GB/T 9984.1-1988
Language
Chinese, Available in English version
Release Date
1988
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
 2004-09
Replace By
GB/T 9984.1-2004
Latest
GB/T 9984-2008
Scope
This standard specifies the method for measuring the whiteness of sodium tripolyphosphate products used in industry (including food industry). This standard applies to the determination of whiteness of sodium tripolyphosphate products used in industry (including food industry).

GB/T 9984.1-1988 history

  • 2008 GB/T 9984-2008 Test methods for industrial sodium tripolyphosphate
  • 2004 GB/T 9984.1-2004 The measurement of whiteness for industrial sodium tripolyphosphate
  • 1988 GB/T 9984.1-1988 The measurement of whiteness for industrial sodium tripolyphosphate(including foodstuffs)

GB/T 9984.1-1988 -All Parts

GB/T 9984.1-2004 The measurement of whiteness for industrial sodium tripolyphosphate GB/T 9984.10-2004 Sodium tripolyphosphate for industrial use (including foodstuffs)-Determination of oxides of nitrogen content-3,4-Xylenol spectrophotometric method GB/T 9984.11-2004 Sodium tripolyphosphate for industrial use-Determination of I type content GB/T 9984.2-2004 Sodium tripolyphosphate for industrial use-Determination of total phosphorus(v)oxide content-Quinoline phosphomolybdate gravimetric method GB/T 9984.3-2004 Sodium tripolyphosphate for industrial use-Separation by ion exchange chromatography and determination of the different phosphate forms GB/T 9984.4-2004 Sodium tripolyphosphate for industrial use-Determination of matter insoluble in water GB/T 9984.5-2004 Sodium tripolyphosphate and Sodium pyrophosphate for industrial use-Determination of loss on ignition GB/T 9984.6-2004 Sodium tripolyphosphate for industrial use---Determination of iron content---2,2'-bipyridyl spectrophotometric method GB/T 9984.7-2004 Sodium tripolyphosphate for industrial use-Measurement of pH-Potentiometric method GB/T 9984.8-2004 Sodium tripolyphosphate for industrial use-Determination of particle size GB/T 9984.9-2004 Industrial sodium tripolyphosphate-Determination of apparent density-Method by measuring the mass of a given volume


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