CSA Group Sodium fluoride primarily used for the production of aluminium - Determination of soluble sulphates content - Turbidimetric method ISO 3431:1976

Description
Applicable to products having SO4 contents of more than 0.05 % (m/m). Covers the dissolution of the test portion in hydrochloric acid and evaporation in hydrochloric acid solution for drying. Dissolution of the residue in a hydrochloric acid solution. Measurement of the turbidity obtained by precipitation, under specified conditions, of barium sulphate using a spectrophotometer at a wavelength of about 470 nm or a photoelectric absorptiometer.
  • Sodium fluoride primarily used for the production of aluminium - Determination of soluble sulphates content - Turbidimetric method - ISO 3431:1976 - CSA Group
    CSA Group
Description
Applicable to products having SO4 contents of more than 0.05 % (m/m). Covers the dissolution of the test portion in hydrochloric acid and evaporation in hydrochloric acid solution for drying. Dissolution of the residue in a hydrochloric acid solution. Measurement of the turbidity obtained by precipitation, under specified conditions, of barium sulphate using a spectrophotometer at a wavelength of about 470 nm or a photoelectric absorptiometer.

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Sodium fluoride primarily used for the production of aluminium - Determination of soluble sulphates content - Turbidimetric method - ISO 3431:1976 - CSA Group
CSA Group
Toronto, Ontario, Canada
Sodium fluoride primarily used for the production of aluminium - Determination of soluble sulphates content - Turbidimetric method
ISO 3431:1976
Sodium fluoride primarily used for the production of aluminium - Determination of soluble sulphates content - Turbidimetric method ISO 3431:1976
Applicable to products having SO4 contents of more than 0.05 % (m/m). Covers the dissolution of the test portion in hydrochloric acid and evaporation in hydrochloric acid solution for drying. Dissolution of the residue in a hydrochloric acid solution. Measurement of the turbidity obtained by precipitation, under specified conditions, of barium sulphate using a spectrophotometer at a wavelength of about 470 nm or a photoelectric absorptiometer.

Applicable to products having SO4 contents of more than 0.05 % (m/m). Covers the dissolution of the test portion in hydrochloric acid and evaporation in hydrochloric acid solution for drying. Dissolution of the residue in a hydrochloric acid solution. Measurement of the turbidity obtained by precipitation, under specified conditions, of barium sulphate using a spectrophotometer at a wavelength of about 470 nm or a photoelectric absorptiometer.

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Technical Specifications

  CSA Group
Product Category Standards and Technical Documents
Product Number ISO 3431:1976
Product Name Sodium fluoride primarily used for the production of aluminium - Determination of soluble sulphates content - Turbidimetric method
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