TAILIEUCHUNG - Designation: D 1624 – 71 (Reapproved 2000) - Acid Copper Chromate1

This standard is issued under the fixed designation D 1624; 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. | Designation D 1624-71 Reapproved 2000 Standard Specification for Acid Copper Chromate1 This standard is issued under the fixed designation. D 1624 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. 1. Scope This specification covens acíd copper ciưomate elsher in the solid granulated form or in solution for use in the preservative treatment of wood. 2. Referenced Documents ASTM Standards D 1627 Test Method for Chemical Analysis of Acid Copper Chromate2 Other Standard AWPA P5 Standards for Waterborne Preservatives3 3. Composition and Properties Acid copper chromate in solid form or treating solution 1 This specification is under the jurisdiction of ASTM Commisiee D-7 on Wood and is the direct responsibility of Subcommittee on Treatments for Wood Products. Current edition effective Feb. 24 1971. Originally issued 1959. Replaces D 1624-61 1968 . This specification iis isienticaf in subssanee wiih the Standacds foo Acĩd c o j r Chromate ACC in Section 1 of the American Wood-Preservers Association Standards for Water-Borne Preservatives P5-83 . Acknowledgment is made to the American Wood-Preservers Association for its development of t Fn subject m at t r covered in this specification. 2 Annual Book of ASTM Standards Vol . 3 Available from American Wood-Preservers Associations 3246 Fall Creek Highway Suite 190 Granbury TX 76049. shall have the following composition subject to the speci ed limits Minimum Nominal Copper calculated as CuO Chromium calculated as Cr2O3 The preservative or treating solution may be made up of water-soluble compounds selected from the following group Bivalent copper oor example copper ulfa basĩc copper carbonale copperoxide Hexavalent chromium oor .

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