ISO 5437:1992 ✓ Most Recent

718686

Acid-grade and ceramic-grade fluorspar -- Determination of barium sulfate content -- Gravimetric method

standard by International Organization for Standardization , 12/01/1992

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Full Description

The method is based on evaporation to dryness of a test portion in the presence of hydrofluoric acid and concentrated sulfuric acid, extraction of the soluble salts from the mixture, filtration, drying and weighing of the residual barium sulfate. Applies to products having barium sulfate contents equal to or greater than 0,1 % (m/m).

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Price: $43.00
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Product Details

Published:

12/01/1992

Number of Pages:

3

File Size:

1 file

Note:

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