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Type: Artigo de periódico
Title: Determination Of Bismuth In Urine And Prescription Medicines Using Atomic Absorption With An On-line Hydride Generation System.
Author: Cadore, S
dos Anjos, A P
Baccan, N
Abstract: The bismuth contents of various digested urine samples and prescription medicines were determined by atomic absorption spectrometry combined with hydride generation. The procedure followed was a standard addition method for urine and direct calibration for the prescription medicines. The detection limit of the method was determined to be 320 pg ml-1 Bi with an analytical frequency of 150 h-1. A relative standard deviation of 4.7% was found for Bi in urine at the level of 4.3 ng ml-1 Bi. Interference caused by NiII, CoII, CuII, AgI, SeIV, SbIII and HgII could be controlled with a masking solution of thiourea (0.2%)-KI (10%).
Subject: Bismuth
Pharmaceutical Preparations
Spectrophotometry, Atomic
Rights: aberto
Identifier DOI: 
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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