Title

1-Pentyl 4,6-Dihydroxy-5-Nitrosopyridine-3-Carboxylate: A New Reagent for the Determination of Osmium

Document Type

Article

Publication Date

5-1-1977

Department

Chemistry and Biochemistry

School

Mathematics and Natural Sciences

Abstract

The reagent 1-pentyl 4,6-dihydroxy-5-nitrosopyridine-3-carboxy-late has been used to photometrically determine osmium. Several interferences are eliminated by an extraction prior to the development of the purple color formed between PDHNPC and osmium. This method is highly sensitive for osmium, the molar absorptivity for the complex being 3.4 × 104 at 550 nm. The reaction ratio is 1∶1 reagent to osmium.

Publication Title

Microchimica Acta

Volume

67

First Page

319

Last Page

323

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