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Flow-injection analysis of silicate rocks for total iron and aluminium

✍ Scribed by Tadashi Mochizuki; Yasuhiko Toda; Rokuro Kuroda


Book ID
118993655
Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
400 KB
Volume
29
Category
Article
ISSN
0039-9140

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In this article, we describe an automated flow-injection system for simultaneous determination of Cl β€«Χžβ€¬ and total Fe. Chloride was potentiometrically determined, and total Fe was colorimetrically determined after reduction of Fe(III) to Fe(II) and complexation with 1,10-phenanthroline. Both measure

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Iron(I1) (1.0 X 10-g-1.0 X 10e6 M) is determined by the production of chemiluminescence in a luminol system in the absence of added oxidant. Iron(II1) (2.0 x lo-'-2.0 x 10e6 M) is determined after reduction to iron(I1) in a silver reductor mini-column in the fiow system. Cobalt, chromium, copper and