Reverse-phase optode. Design and charact
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Albert Wai Ming Lee; Wing Hong Chan; Ke Min Wang; Zi Dong Li
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Article
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1996
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Elsevier Science
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English
β 630 KB
Hydrophilic gelatin membranes incorporating water soluble fluorescein sodium immobilized at the tip of an optical fiber were developed as the first 'reverse-phase' optode membrane system for the determination of organic acids as exemplified by benzoic acid. In contrast to the traditional optode memb