ASTM D1625-71(2000)
(Specification)Standard Specification for Chromated Copper Arsenate (Withdrawn 2006)
Standard Specification for Chromated Copper Arsenate (Withdrawn 2006)
SCOPE
1.1 This specification covers chromated copper arsenate formulations expressed on the oxide basis, either in solid, paste, or solution form for use in the preservative treatment of wood.
WITHDRAWN RATIONALE
This specification covers chromated copper arsenate formulations expressed on the oxide basis, either in solid, paste, or solution form for use in the preservative treatment of wood.
Formerly under the jurisdiction of Committee D07 on Wood, this specification was withdrawn without replacement in July 2006.
General Information
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 1625 – 71 (Reapproved 2000)
Standard Specification for
Chromated Copper Arsenate
This standard is issued under the fixed designation D 1625; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
TABLE 1 Requirements for Chromated Copper Arsenate (CCA)
1. Scope
Composition Type A Type B Type C
1.1 This specification covers chromated copper arsenate
Hexavalent chromium, calculated as CrO ,% 65.5 35.3 47.5
formulations expressed on the oxide basis, either in solid, 3
Bivalent copper, calculated as CuO, % 18.1 19.6 18.5
paste, or solution form for use in the preservative treatment of
Pentavalent arsenic, calculated as As O , % 16.4 45.1 34.0
2 5
wood.
2. Referenced Documents
TABLE 2 Limits of Composition
2.1 ASTM Standards:
Type A Type B Type C
Composition
D 1628 Test Methods for Chemical Analysis of Chromated
min max min max min max
Copper Arsenate
Hexavalent chromium, 59.4 69.3 33.0 38.0 44.5 50.5
2.2 Other Standard:
calculated as CrO ,%
AWPA P5 Standards for Waterborne Preservatives
Bivalent copper, 16.0 20.9 18.0 22.0 17.0 21.0
calculated as CuO,%
Pentavalent arsenic, 14.7 19.7 42.0 48.0 30.0 38.0
3. Composition and Properties
calculated as As O ,%
2 5
3.1 Chromated copper arsenate preservative formulations
shall have the composition, calculated as the oxides of chro-
mium, copper, and arsenic, as shown in Table 1. The physical
3.3 The preservative or treating solution shall be made up of
form may be a dry solid, semi-liquid paste, or solution.
water-soluble compounds, selected from the following groups,
3.2 The composition of each preservative, or the preserv-
each in excess of 95 % purity on an anhydrous basis:
ative present in a treating solution, may vary within the limits
Hexavalent chromium—for example, potassium or sodium dichromate, chro-
of composition shown in Table 2.
mium trioxide
Bivalent copper—for example, copper sulfate, basic copper carbonate, cupric
oxide or hydroxide
Pentavalent arsenic—for example, arsenic pentoxide, arsenic acid, sodium
This specification is under the j
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SCOPE
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