RT Journal Article SR Electronic T1 An application of the copper reduction test to the quantitative determination of arsenic JF American Journal of Science JO Am J Sci FD American Journal of Science SP 129 OP 132 DO 10.2475/ajs.s3-32.188.129 VO s3-32 IS 188 A1 Carmichael, H. YR 1886 UL http://www.ajsonline.org/content/s3-32/188/129.abstract AB