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Spectrophotometric determination of bismuth after extraction of 1-naphthylmethyltriphenylphosphonium tetraiodobismuthate(III) with microcrystalline benzophenone

✍ Scribed by D. Thorburn Burns; D. Chimpalee

Publisher: Elsevier Science
Year: 1992
Tongue: English
Weight: 377 KB
Volume: 256
Category: Article
ISSN: 0003-2670
DOI: 10.1016/0003-2670(92)85331-y

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✦ Synopsis

Bismuth (O-120 pg) can be determmed spectrophotometrlcally at 495 nm after Its adsorptwe extraction as 1-naphthylmethyltriphenylphosphomum tetralodoblsmuthate(II1) on mlcrocrystalhne benzophenone and dlssolutlon of the solid phase m dlchloromethane

The effects of reagent conditions, diverse Ions and maskmg studies are reported

The system has been applied to the determmatlon of bismuth m a range of copper-based alloys and pharmaceutical samples

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