ASTM-D3873 › Standard Test Method for Valency State of the Arsenic Component of Ammoniacal Copper Arsenate Solutions (Withdrawn 2006)
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Scope
1.1 This test method is intended for testing batches of concentrated ammoniacal copper zinc arsenate (ACZA) solution, prepared by air-oxidation of trivalent arsenic. The test method provides a means of confirming that oxidation has been completed and that at least 99.5 % of the arsenic has been oxidized. The sample for testing should contain 100 ± 20 mg of potential As2 O5. A200-mL aliquot of a concentrate containing 8 to 12 % of preservative oxides is suitable.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Keywords
ACZA; arsenic; preservative; valency; ICS Number Code 71.060.50 (Salts)
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Document Number
ASTM-D3873-01
Revision Level
2001 EDITION
Status
Cancelled
Modification Type
Withdrawn
Publication Date
April 10, 2001
Document Type
Test Method
Page Count
2 pages
Committee Number
D07.06