BS 4072:1999
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Copper/chromium/arsenic preparations for wood preservation
Hardcopy , PDF
13-12-2011
English
15-12-1999
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Committees responsible
Foreword
1 Scope
2 Normative references
3 Composition
4 Sampling
5 Insoluble matter
6 pH value of solution
7 Analysis
Annex A (normative) Determination of insoluble matter
Annex B (normative) Determination of pH
Annex C (informative) Guidance on the treatment and drying of
treated timber and on the properties of
treated timber
Annex D (informative) Method for determination of the
concentration of a working solution using
a hydrometer
Bibliography
Figure D.1 - Example of a nomogram which can be used to
determine the concentration of a working solution
of preservation from information on temperature
and specific gravity
Table 1 - Nominal and minimum proportions of components in
formulations based on hydrated salts
Table 2 - Nominal and minimum proportions of components in
formulations based on metal oxides
Defines requirements for two kinds of waterborne preservatives which contain compound mixtures of arsenic (V), copper (II) and chromium (VI) for applying to timber for protection against wood- destroying organisms.
| Committee |
B/515
|
| DevelopmentNote |
Supersedes 96/107885 DC, BS 4072-1(1987) and BS 4072-2(1987) (07/2005) Inactive for the new design. (01/2006)
|
| DocumentType |
Standard
|
| Pages |
12
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| BS 1752:1983 | Specification for laboratory sintered or fritted filters including porosity grading |
| BS 604:1982 | Specification for graduated glass measuring cylinders |
| BS EN ISO 3696:1995 | Water for analytical laboratory use. Specification and test methods |
| BS 1647-1:1984 | pH measurement Specification for pH scale |
| BS 3145:1978 | Specification for laboratory pH meters |
| BS 2648:1955 | Performance requirements for electrically-heated laboratory drying ovens |
| BS 5666-1:1987 | Methods of analysis of wood preservatives and treated timber Guide to sampling and preparation of wood preservatives and treated timber for analysis |
| BS 2586:1979 | Specification for glass and reference electrodes for the measurement of pH |
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