Issue 1188, 1975

Determination of trace levels of barium in calcium carbonate by atomic-absorption spectrophotometry

Abstract

A sensitive atomic-absorption spectrophotometric method for the determination of trace levels of barium in calcium carbonate using a simple graphite-rod atomiser has been developed. The calcium carbonate is dissolved in nitric acid and the solution applied to the sample cavity in the graphite rod. A detection limit of 0·0045 µg ml–1 of barium in a solution containing 10 000 µg ml–1 of calcium was obtained on a 5-µl sample volume.

Article information

Article type
Paper

Analyst, 1975,100, 198-202

Determination of trace levels of barium in calcium carbonate by atomic-absorption spectrophotometry

K. C. Thompson and R. G. Godden, Analyst, 1975, 100, 198 DOI: 10.1039/AN9750000198

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