1983
DOI: 10.1021/ac00264a061
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Sample deoxygenation for fluorescence spectrometry by chemical scavenging

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Cited by 18 publications
(18 citation statements)
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“…Luminescence spectroscopy has become a widely used analytical method because of its low detection limits and inherent selectivity (1,2 This paper describes the automation of our previously reported deoxygenation apparatus (20). The theory of the deoxygenation process has been explained and its feasibility has been previously demonstrated (20).…”
Section: Introductionmentioning
confidence: 99%
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“…Luminescence spectroscopy has become a widely used analytical method because of its low detection limits and inherent selectivity (1,2 This paper describes the automation of our previously reported deoxygenation apparatus (20). The theory of the deoxygenation process has been explained and its feasibility has been previously demonstrated (20).…”
Section: Introductionmentioning
confidence: 99%
“…The theory of the deoxygenation process has been explained and its feasibility has been previously demonstrated (20).…”
Section: Introductionmentioning
confidence: 99%
“…Algumas moléculas excitadas têm seu sinal luminescente dinamicamente suprimido após colisões com oxigênio molecular (13,14,15).…”
Section: 2unclassified
“…Estão descritos na literatura estudos com complexos de metais de transição e pigmentos pirrólicos (metaloporfirinas) que emitem forte fosforescência a temperatura ambiente (34,35) , meso-tetra-(4-sulfonato-fenil)porfirina paládio(lI) (45 Numerosas tentativas para remover o oxigênio encontram-se descritas na literatura, como: borbulhamento da solução com nitrogênio ou argônio, ciclos de congelamento seguidos de aplicação de vácuo e descongelamento acompanhados pela injeção de gás inerte (freeze-pump-thaw-shake), uso de banho de ultra-som, refluxos, métodos químicos e o uso de tubos semipermeáveis para remoção contínua do oxigênio (15,34,46,47). Muitos destes métodos apresentam eficiência de remoção de até 95% ou mais, dependendo do tempo aplicado do procedimento.…”
Section: 2unclassified
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