BS 3473-5:1987
Current
The latest, up-to-date edition.
Chemical resistance of glass used in the production of laboratory glassware Method for determination of resistance of glass to attack by 6 mol/L hydrochloric acid at 100°C
Hardcopy , PDF
English
30-01-1987
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National foreword
Committees responsible
Method
1 Scope
2 Field of application
3 References
4 Principle
5 Reagents
6 Apparatus
7 Preparation of sample pieces
8 Procedure
9 Expression of results
10 Test report
Table
Permissible range of the values obtained
Figures
1 Beaker with rack to hold samples during the
preliminary acid treatment
2 Preparation of hydrochloric acid solution, c(HCl) =
6 mol/l, with very low sodium oxide content
Annex
Example of a procedure for purifying hydrochloric
acid solution
Methods for determining and classifying the amount of alkali metal oxides released from the surface of glassware when subject to attack at 100 ± 1°C for 3 h.
| Committee |
LBI/1/2
|
| DevelopmentNote |
Also numbered as ISO 1776 Supersedes 82/55517 DC (07/2005)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This International Standard specifies flame emission spectrometric (FES) and flame atomic absorption spectrometric (FAAS) methods for determining the amounts of alkali metal oxides released from the surfaces of glassware when subjected to attack by an aqueous solution of hydrochloric acid at 100 °C. The amount of alkali metal oxides determined is a measure of the acid resistance of the glass.
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