BS 890:1972
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Specification for building limes
Hardcopy , PDF
15-10-1995
English
13-10-1972
Co-operating organizations
Foreword
Specification
1 General
1.1 Scope
1.2 Water for testing
1.3 Certificate of test
1.4 Independent tests
1.5 Lime in tropical climates
2 Hydrated lime (powder)
2.1 Classification
2.2 Description
2.3 Size of sample and method of sampling
2.4 Composition
2.5 Physical tests
3 Quicklime
3.1 Classification
3.2 Description
3.3 Size of sample and method of sampling
3.4 Composition
3.5 Physical tests
4 Lime putty
4.1 Classification
4.2 Description
4.3 Size of sample and method of sampling
4.4 Composition
4.5 Physical tests
Appendices
A Sampling of lime
B Determination of matter insoluble in hydrochloric
acid
C Determination of soluble salts
D Determination of soluble silica
E Determination of fineness of dry hydrated lime and
of lime putty, and determination of water content
of lime putty
F General expansion test for dry hydrated lime
G Determination of soundness of hydrated lime by the
pat test
H Descriptions of standard flow-table and mould
J Preparation of lime putty of standard consistence
K Determination of density of putty and volume yield
of lime
L Determination of workability
M Determination of hydraulic strength
N Standard method of isothermal slaking of quicklime
P Method for determination of residue on slaking
Q Test for separation of water from lime putty on
standing
Tables
1 Chemical requirements for hydrated lime (powder)
2 Physical requirements for hydrated lime (powder)
3 Chemical requirements for quicklime
4 Physical requirements for quicklime
5 Chemical requirements for lime putty
6 Physical requirements for lime putty
Figures
1 Sampling tube
2 Sampling points for a truck of lime putty
3 Le Chatelier mould
4 Apparatus for measuring extensibility of Le
Chatelier moulds
5 Steam cabinet for soundness tests
6 Typical trowel
7 Flow-table
8 Flow-table and conical mould
9 Typical putty density vessel
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