CSA Group Aluminium oxide primarily used for the production of aluminium - Preparation of solution for analysis - Method by alkaline fusion ISO 804:1976

Description
The procedure for the preparation of a principal solution for chemical analysis requires at first an alkaline fusion of the test portion, either with a mixture of sodium carbonate and boric acid or with a mixture of sodium carbonate and sodium tetraborate. Subsequent dissolution of the molten mass in an excess of nitric acid and adjustment of an appropriate aliquot portion to pH 2. Replaces ISO Recommendation R804/1968.
  • Aluminium oxide primarily used for the production of aluminium - Preparation of solution for analysis - Method by alkaline fusion - ISO 804:1976 - CSA Group
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Description
The procedure for the preparation of a principal solution for chemical analysis requires at first an alkaline fusion of the test portion, either with a mixture of sodium carbonate and boric acid or with a mixture of sodium carbonate and sodium tetraborate. Subsequent dissolution of the molten mass in an excess of nitric acid and adjustment of an appropriate aliquot portion to pH 2. Replaces ISO Recommendation R804/1968.

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Aluminium oxide primarily used for the production of aluminium - Preparation of solution for analysis - Method by alkaline fusion - ISO 804:1976 - CSA Group
CSA Group
Toronto, Ontario, Canada
Aluminium oxide primarily used for the production of aluminium - Preparation of solution for analysis - Method by alkaline fusion
ISO 804:1976
Aluminium oxide primarily used for the production of aluminium - Preparation of solution for analysis - Method by alkaline fusion ISO 804:1976
The procedure for the preparation of a principal solution for chemical analysis requires at first an alkaline fusion of the test portion, either with a mixture of sodium carbonate and boric acid or with a mixture of sodium carbonate and sodium tetraborate. Subsequent dissolution of the molten mass in an excess of nitric acid and adjustment of an appropriate aliquot portion to pH 2. Replaces ISO Recommendation R804/1968.

The procedure for the preparation of a principal solution for chemical analysis requires at first an alkaline fusion of the test portion, either with a mixture of sodium carbonate and boric acid or with a mixture of sodium carbonate and sodium tetraborate. Subsequent dissolution of the molten mass in an excess of nitric acid and adjustment of an appropriate aliquot portion to pH 2. Replaces ISO Recommendation R804/1968.

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Technical Specifications

  CSA Group
Product Category Standards and Technical Documents
Product Number ISO 804:1976
Product Name Aluminium oxide primarily used for the production of aluminium - Preparation of solution for analysis - Method by alkaline fusion
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