19/30395375 DC - BS ISO 719. Glass. Hydrolytic resistance of glass grains at 98 degrees C. Method of test and classification

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19/30395375 DC

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

Status : Current, Draft for public comment   Published : December 2019

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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.




Standard Number19/30395375 DC
TitleBS ISO 719. Glass. Hydrolytic resistance of glass grains at 98 degrees C. Method of test and classification
StatusCurrent, Draft for public comment
Publication Date02 December 2019
Cross ReferencesISO 385, ISO 720, ISO 1773, ISO 3819, ISO 13130, ISO 1042, ISO 648, ISO 3696, ISO 565, ISO 3696, ISO 4802-1
International RelationshipsISO/DIS 719
Draft Expiry Date21 January 2020
DescriptorsParticulate materials, Designations, Solvent-resistance tests, Testing conditions, Laboratory glassware, Chemical analysis and testing, Grades (quality), Hydrolytic resistance, Temperature, Specimen preparation, Water, Volumetric analysis, Dimensions, Test equipment, Glass, Leaching, Chemical-resistance tests
ICS81.040.01
Title in FrenchVerre — Résistance hydrolytique du verre en grains à 98 degrés C — Méthode d'essai et classification
CommitteeCH/212
PublisherBSI
FormatA4
DeliveryYes
Pages14
File Size341 KB
NotesWarning: this draft is not current beyond its expiry date for comments.
Price£20.00


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