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Indirect Colorimetric Determination of Gaseous Fluorine

✍ Scribed by Nash, L. K.

Book ID: 126047152
Publisher: American Chemical Society
Year: 1949
Tongue: English
Weight: 441 KB
Volume: 21
Category: Article
ISSN: 0003-2700
DOI: 10.1021/ac60032a029

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## Abstract Calcium is separated as oxalate in a centrifuge tube. The precipitate is estimated by dissolving in a known excess of ceric sulphate, excess of which is then determined absorptiometrically. The range covered is 100–1000 μg. calcium.