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  4. Standard "BS 4993-3:1974"
Standard BS 4993-3:1974 28.2.1974 preview

BS 4993-3:1974

Methods of test for aluminium fluoride for industrial use. Determination of silica content.



STANDARD published on 28.2.1974


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The information about the standard:

Designation standards: BS 4993-3:1974
Publication date standards: 28.2.1974
SKU: NS-69218
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: British technical standard
Category: Technical standards BS

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The category - similar standards:

Salts

Annotation of standard text BS 4993-3:1974 :

Fusion of a test portion with sodium carbonate/boric acid, dissolution of the melt in nitric acid, formation of the yellow (oxidized) silico-molybdic complex, reduction to the blue form and spectrophotometric measurement at 815 nm. Status: Confirmed

Similar standards:

BS 6092-5:1981BS 6092-5:1981

27.2.1981

BS 6092-6:1981BS 6092-6:1981

27.2.1981

BS 6092-9:1981BS 6092-9:1981

27.2.1981

BS 662-1:1979BS 662-1:1979

31.1.1979

BS 662-3:1979BS 662-3:1979

31.1.1979

BS 7319-1:1990BS 7319-1:1990

30.9.1990

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