Norm

ISO 804:1976 en

Aluminium oxide primarily used for the production of aluminium - Preparation of solution for analysis - Method by alkaline fusion

31,57

Over deze norm

Status Definitief
Aantal pagina's 3
Gepubliceerd op 01-09-1976
Taal Engels
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.

Details

ICS-code 71.100.10
Nederlandse titel Aluminium oxide primarily used for the production of aluminium - Preparation of solution for analysis - Method by alkaline fusion
Engelse titel Aluminium oxide primarily used for the production of aluminium - Preparation of solution for analysis - Method by alkaline fusion

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