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Anal Biochem. 1987 May 15;163(1):21-6.

Flameless atomic absorption spectrophotometric determination of platinum in tissues solubilized in hyamine hydroxide.

Abstract

Processing biological samples by solubilization in Hyamine hydroxide (methylbenzethonium hydroxide) as an alternative to wet ashing with concentrated nitric acid for atomic absorption determination of platinum has been explored. The concentrations of platinum in tissues removed from rats 2 h after they had received the antitumor drug Carboplatin (60 mg/kg, iv) were comparable using either of the procedures, indicating the utility of tissue solubilization. Limits of detection were also comparable between the Hyamine hydroxide (0.25 microgram platinum/g) and nitric acid (0.15 microgram/g) procedures. The solubilization method, however, has advantages over wet digestion because of its simplicity and greater safety.

PMID:
3039867
DOI:
10.1016/0003-2697(87)90087-x
[Indexed for MEDLINE]

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