BS 2649-1:1988

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 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 aluminium oxide
6.4 Determination of calcium oxide
6.5 Determination of magnesium oxide
6.6 Determination of sodium oxide
6.7 Determination of potassium oxide
6.8 Determination of loss on heating at 550 deg C
6.9 Determination of total sulphur
6.10 Determination of total iron
6.11 Determination of titanium (IV) oxide
7 Rapid methods suitable for control analysis
7.1 Determination of silica
7.2 Determination of aluminium oxide
7.3 Determination of calcium and magnesium oxides
7.4 Determination of alkali metals by flame photometry
8 Schemes of analysis
8.1 Principle
8.2 Preparation of stock solutions
8.3 Composite scheme outline
Appendix
A Composition of standard glass no. 5
Table
1 Composition of standard glass no. 5

Reference methods for the determination of silica, aluminium oxide, calcium oxide, magnesium oxide, sodium oxide, potassium oxide, sulphur, iron, titanium oxide and loss on heating at 550°C. Rapid methods suitable for routine purposes on the major constituents.