Determination of Arsenic in Blister Copper and Flue Dust by Atomic Absorption Spectroscopy.
Authors
Likaits ER; Farrell RF; Mackie AJ
Source
At Absorpt Newsl 1979 18(2):53-54
Link
NIOSHTIC No.
10009842
Abstract
The Bureau of Mines is conducting research concerning fugitive metals associated with the smelting of nonferrous ores and concentrates in the copper industry. This analytical method covers the determination of arsenic in blister copper and flue dust by atomic absorption spectroscopy. The procedure involves dissolution of the sample in a mixture of hydrochloric and nitric acids and aspiration of the solution into a nitrous oxide-acetylene flame. The absorbance of the arsenic line at 193.7 nm is determined and compared with the absorbance of standard arsenic solutions. The method is faster than the arsine method used previously and is applicable to the determination of arsenic in the concentration range of 0.05 to 35.0 pct in blister copper and flue dust. At a concentration of 0.6 pct arsenic, the coefficient of variation is 3 pct.
Publication Date
19790101
Document Type
OP;
Fiscal Year
1979
Identifying No.
OP 30-79
Issue of Publication
2
NIOSH Division
ALRC;
Source Name
At. Absorpt. Newsl., V. 18, No. 2, March-April 1979, PP. 53-54
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