CSA Group Cryolite, natural and artificial - Determination of calcium content - Flame atomic absorption method ISO 3391:1976

Description
Describes the preparation of the calibration graph and the dissolution of a test portion in concentrated sulphuric acid and heating on a hot-plate until the hydrofluoric acid has evaporated. Treatment of the residue with concentrated hydrochloric acid. Aspiration of the solution into an acetylene/dinitrogen monoxide flame and spectrophotometric measurement of the absorption of the 422.7-nm line emitted by a calcium hollow cathode lamp.
  • Cryolite, natural and artificial - Determination of calcium content - Flame atomic absorption method - ISO 3391:1976 - CSA Group
    CSA Group
Description
Describes the preparation of the calibration graph and the dissolution of a test portion in concentrated sulphuric acid and heating on a hot-plate until the hydrofluoric acid has evaporated. Treatment of the residue with concentrated hydrochloric acid. Aspiration of the solution into an acetylene/dinitrogen monoxide flame and spectrophotometric measurement of the absorption of the 422.7-nm line emitted by a calcium hollow cathode lamp.

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Cryolite, natural and artificial - Determination of calcium content - Flame atomic absorption method - ISO 3391:1976 - CSA Group
CSA Group
Toronto, Ontario, Canada
Cryolite, natural and artificial - Determination of calcium content - Flame atomic absorption method
ISO 3391:1976
Cryolite, natural and artificial - Determination of calcium content - Flame atomic absorption method ISO 3391:1976
Describes the preparation of the calibration graph and the dissolution of a test portion in concentrated sulphuric acid and heating on a hot-plate until the hydrofluoric acid has evaporated. Treatment of the residue with concentrated hydrochloric acid. Aspiration of the solution into an acetylene/dinitrogen monoxide flame and spectrophotometric measurement of the absorption of the 422.7-nm line emitted by a calcium hollow cathode lamp.

Describes the preparation of the calibration graph and the dissolution of a test portion in concentrated sulphuric acid and heating on a hot-plate until the hydrofluoric acid has evaporated. Treatment of the residue with concentrated hydrochloric acid. Aspiration of the solution into an acetylene/dinitrogen monoxide flame and spectrophotometric measurement of the absorption of the 422.7-nm line emitted by a calcium hollow cathode lamp.

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Technical Specifications

  CSA Group
Product Category Standards and Technical Documents
Product Number ISO 3391:1976
Product Name Cryolite, natural and artificial - Determination of calcium content - Flame atomic absorption method
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