Influência da geometria da plataforma na determinação de chumbo em zidovudina (AZT) por ET AAS
The aim of this work was to compare the performances of the L'vov and integrated platforms in order to overcome the interferences found on lead determination in zidovudine by ET AAS. Pyrolysis and atomization temperatures found with integrated platform were 700 and 1400°C, respectively. The characteristic masses were 12.7 ± 1.2 pg with integrated platform and 11.1 ± 1.3 pg with grooved platform. The ratio between the slopes of zidovudine and aqueous curves shows a decrease in the interferences when the L'vov platform is used (bAZT/b aq = 0.97 ± 0.10) and the detection limit found was 0.03 µg.g-1. That ratio was 0.85 ± 0.07 with the integrated platform.
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| Principais autores: | , , , |
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| Formato: | Digital revista |
| Idioma: | Portuguese |
| Publicado em: |
Sociedade Brasileira de Química
2002
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| Acesso em linha: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422002000300008 |
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