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Study of New Facile Deoxygenation Methods in Cyclodextrin Induced Room Temperature Phosphorescence by Hai Rong Zhang; Jun Zhang; Yan Sheng Wei; Wei Jun Jin; Chang Song Liu is a Chemistry article available to read on EtoBox.

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The traditional deoxygenation techniques in cyclodextrin induced room temperature phosphorescence (CD-RTP) include N 2 (g) purging and Na 2 SO 3 chemical deoxygenation. In this paper, we propose two new deoxygenation methods in which oxygen is eliminated by hydrogen gas and carbon dioxide produced by the reactions Zn(s)/HCl and Na 2 CO 3 /HCl in the measuring media. With 1-bromocyclohexane (BCH) as an external heavy atom perturber and phenanthrene as a model compound compared with traditional deoxygenation techniques, the two new methods: (1) are facile and do not need any complicated supplementary equipment; (2) are rapid, deoxygenation time needed is only 1±2 min; (3) have a wider acidic condition, which is a supplement of chemical deoxygenation by Na 2 SO 3 ; (4) can maintain RTP signal without decay for 10 min; (5) have good analytical characteristics. # 1997 Elsevier Science B.V.

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Author

Hai Rong Zhang; Jun Zhang; Yan Sheng Wei; Wei Jun Jin; Chang Song Liu

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0003-2670)

Published

1997

Language

EN

Field

Chemistry (Physical Sciences)