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BSI 19/30395375 DC:2019 Edition

BSI 19/30395375 DC:2019 Edition

$13.70

BS ISO 719. Glass. Hydrolytic resistance of glass grains at 98 degrees C. Method of test and classification

Published By Publication Date Number of Pages
BSI 2019 14
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This International Standard specifies

  1. a method for determining the hydrolytic resistance of glass grains at 98 °C. The resistance is measured and expressed by the volume of acid required for titration of the alkali extracted from the unit mass of glass, and may also be expressed by the amount of sodium oxide equivalent to this volume of acid;

  2. a classification of glass according to the hydrolytic resistance determined by the method of this International Standard.

This International Standard is intended for use on the less resistant types of glass, like for example soda-lime glass. For the more resistant glasses, like i.e. borosilicate glass, the method specified in ISO 720 is preferable.

NOTE

It is emphasized that there is no exact correlation between the classification laid down in this International Standard and that laid down in ISO 720, and it is, therefore, essential to identify which classification is being used.

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BSI 19/30395375 DC
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