SPECTROPHOTOMETRIC DETERMINATION OF PLATINUM USING POTASSIUM-IODIDE AND DIANTIPYRYLMETHANE

Authors
SHARMA K CHHAKKAR AK KAKKAR LR
Citation
K. Sharma et al., SPECTROPHOTOMETRIC DETERMINATION OF PLATINUM USING POTASSIUM-IODIDE AND DIANTIPYRYLMETHANE, Annali di chimica, 85(9-10), 1995, pp. 577-581
Citations number
19
Categorie Soggetti
Chemistry Analytical","Environmental Sciences
Journal title
Annali di chimica → ACNP
ISSN journal
00034592
Volume
85
Issue
9-10
Year of publication
1995
Pages
577 - 581
Database
ISI
SICI code
0003-4592(1995)85:9-10<577:SDOPUP>2.0.ZU;2-Z
Abstract
A simple, rapid, highly selective and sensitive photometric method for the determination of platinum has been worked out employing potassium iodide and diantipyrylmethane (DAPM). The ternary complex formed is e xtractable into chloroform whose absorbance is measured at 365 nm. It obeys Beer's law in the range 0.0-1.0 mu g Pt/ml with a Sandell's sens itivity of 0.009 mu g Pt cm(-2).