BS 2649-3:1988
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Methods for analysis of glass Glasses of the potassium oxide-lead oxide-silica type
Hardcopy , PDF
14-06-2016
English
29-02-1988
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Foreword
Committees responsible
Methods
1 Scope
2 Principle
2.1 Referee methods
2.2 Rapid methods
3 Reagents
3.1 General
3.2 Solid and gaseous reagents
3.3 Reagent solutions
3.4 Indicators
3.5 Standard solutions
3.6 Standardization of solutions
4 Apparatus
4.1 Arsenic distillation apparatus
4.2 Silver or nickel capsule or crucible
4.3 Filter papers
5 Preparation of the sample
6 Analytical procedures suitable for referee
analysis
6.1 Fusion
6.2 Determination of silica
6.3 Determination of lead (II) oxide
6.4 Determination of aluminium oxide
6.5 Determination of calcium oxide
6.6 Determination of magnesium oxide
6.7 Determination of potassium oxide
6.8 Determination of loss on heating at 550 deg C
6.9 Determination of total iron
6.10 Determination of total arsenic
6.11 Determination of titanium (IV) oxide
6.12 Determination of diboron trioxide
7 Rapid methods suitable for control analysis
7.1 Determination of silica
7.2 Determination of lead (II) oxide and aluminium
oxide
7.3 Flame emission and/or atomic absorption
spectrometric analyses
Appendix
A Composition of standard glass no. 8
Table
1 Composition of standard glass no. 8
Figure
1 Distillation apparatus for the determination of
total arsenic
Reference methods for the determination of silica, lead (II) oxide, aluminium oxide, calcium oxide, magnesium oxide, potassium oxide, iron, arsenic, titanium (II) oxide, diboron trioxide and loss on heating at 550°C. Rapid methods suitable for routine purposes on the major constituents.
| Committee |
LBI/1/2
|
| DevelopmentNote |
Supersedes 75/52659 DC and BS 2649-3(1958) (06/2005) Reviewed and confirmed by BSI, November 2011. (10/2011)
|
| DocumentType |
Standard
|
| Pages |
24
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| BS 7709-2:1993 | Analysis of extract solutions of glass Method for determination of sodium oxide and potassium oxide by flame spectrometric methods |
| BS 7709-6:1993 | Analysis of extract solutions of glass Method for determination of boron (III) oxide by molecular absorption spectrometry |
| BS 7709-4:1993 | Analysis of extract solutions of glass Method for determination of aluminium oxide by molecular absorption spectrometry |
| BS 7709-1:1993 | Analysis of extract solutions of glass Method for determination of silicon dioxide by molecular absorption spectrometry |
| BS 7709-3:1993 | Analysis of extract solutions of glass Method for determination of calcium oxide and magnesium oxide by flame atomic absorption spectrometry |
| BS 7709-5:1993 | Analysis of extract solutions of glass Method for determination of iron (III) oxide by molecular absorption spectrometry and flame atomic absorption spectrometry |
| BS 1752:1983 | Specification for laboratory sintered or fritted filters including porosity grading |
| BS 3828:1973 | Specification for crystal glass |
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