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A Flame Emission Interference in the Atomic Absorption Determination of Calcium

Volume 25, Number 3 (June 1971) Page 372-374

Marinković, M.; Slevin, P.J.; Vickers, T.J.


Calcium is reported to be the element most frequently determined by atomic absorption, and the nitrous oxide-acetylene flame is recommended for this determination. We wish to point out a condition in which the strong calcium atomic emission from this high temperature flame markedly reduces the sensitivity of the atomic absorption determination and causes bending of the absorption analytical curve.