BS 4072:1999

Withdrawn

Copper/chromium/arsenic preparations for wood preservation

Available format(s)

Hardcopy , PDF

Withdrawn date

13-12-2011

Language(s)

English

Published date

15-12-1999

Publisher

British Standards Institution

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Status	Withdrawn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 4072-2:1987 BS 4072-1:1987

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