BS 812-118:1988
Superseded
View Superseded by
Testing aggregates Methods for determination of sulphate content
Hardcopy , PDF
English
08-31-1988
08-15-1998
Foreword
Committees responsible
Methods
1. Scope
2. Definitions
3. Principle
4. Sampling
5. Determination of the sulphate content of a
2:1 water/aggregate extract
6. Determination of the total sulphate content
by acid extraction
7. Precision
8. Test report
Appendices
A. Semi-quantitative test for the presence of
sulphate ions
B. Details of experiments for determining precision
of tests for water-soluble sulphate and total
sulphate contents of aggregates
Tables
1. Minimum mass of preliminary sub-sample for
water-soluble sulphate method
2. Minimum mass of preliminary sub-sample for total
sulphate content method
3. Precision data, water-soluble sulphate
determination
4. Precision data, total sulphate determination
5. Results excluded from calculation of precision
data in table 4
Figure
1. Ion-exchange column for water-soluble sulphates
Describes two methods, one for aggregates to be used as drainage materials or for fill and hardcore, e.g. unbound roadbases or foundations and one for aggregates used in concrete and cement bound materials.
| Committee |
B/502/6
|
| DevelopmentNote |
Supersedes 84/14036 DC. (10/2005)
|
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
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