ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Colorimetric determination of fluorides in air

A. Moncmanová and M. Malinovský

Slovak Technical University, Bratislava

 

Abstract: A method for the indirect detn. of fluorides in amts. of 0.45-4.50 γ F-/ml. in an Al production plant by the application of Fe3+-SCN-complex extd. from the water layer by amyl alc. was described. Good results were obtained with 6 × 10-5M Fe3+ and 1.5 × 10-2M SCN- at pH 2.1 and with amyl alc. as an extg. agent. A calibration curve in the concn. range 0.45-4.50 γ F-/ml. is shown. The max. deviation in the results was within 5%.

Full paper in Portable Document Format: 194a287.pdf (in Slovak)

 

Chemical Papers 19 (4) 287–293 (1965)

Monday, June 27, 2022

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