2001•Chinese Journal of Spectroscopy LaboratoryRequires access

Simultaneous Determination of Barium and Calcium in Silicon Barium Alloy by Spectrophotometry with Arsenazo III

Wang Yun

Abstract

Bi and Ca in silicon barium alloy were simultaneous determined by spectrophotometry with arsenazo Ⅲ.Ba was determined by Ba\|ASA Ⅲ\|Zn\|Phen at pH7.0 and Ca was determined by Ca\|ASA Ⅲ at pH10.The interference of Ba and Ca was studied,the effect of Ba on Ca can be eliminated by (NH 4 ) 2 SO 4 and that of Ca on Ba can be eliminated by EGTA.

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Key concepts: Barium, Spectrophotometry, Chemistry, Silicon, EGTA, Calcium, Alloy, Nuclear chemistry