Determination of platinum in serum and ultrafiltrate by flameless atomic absorption spectrophotometry.

Autor: Hull DA, Muhammad N, Lanese JG, Reich SD, Finkelstein TT, Fandrich S
Jazyk: angličtina
Zdroj: Journal of pharmaceutical sciences [J Pharm Sci] 1981 May; Vol. 70 (5), pp. 500-2.
DOI: 10.1002/jps.2600700509
Abstrakt: A graphite furnace atomic absorption spectrophotometric assay, capable of accurately determining nanogram amounts of platinum in serum and ultrafiltrate, was developed. A sample serum or ultrafiltrate was acidified with nitric acid and heated to destroy the protein-platinum bond. A measured excess of ammonium 1-pyrrolidinedithiocarbamate was added, and the platinum complex was extracted into isopropylacetone. The extract was injected into the graphite furnace. The sample was dried, charred, and atomized using optimal conditions. The resulting absorbance was used to determine the platinum content.
Databáze: MEDLINE