ISO 3431:1976 ✓ Most Recent

717431

Sodium fluoride primarily used for the production of aluminium -- Determination of soluble sulphates content -- Turbidimetric method

standard by International Organization for Standardization , 07/01/1976

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Full 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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Price: $56.00
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Product Details

Published:

07/01/1976

Number of Pages:

3

File Size:

1 file

Same As:

BS 5072-7:1980

Note:

This product is restricted and cannot be purchased in the following countries Ukraine, Russia, Belarus