Flow-injection analysis of silicate rocks for total iron and aluminium
β 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«Χβ¬ 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
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