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Direct chemiluminescence determination of ascorbic acid using flow injection analysis

Authors
Publisher
Elsevier B.V.
Publication Date
Volume
356
Identifiers
DOI: 10.1016/s0003-2670(97)00556-4
Keywords
  • Ascorbic Acid
  • Chemiluminescence
  • Flow Injection
  • Permanganate
  • Nutritional Supplements
Disciplines
  • Medicine

Abstract

Abstract A flow injection method is described for the determination of (5×10 −7 to 1×10 −3 M) ascorbic acid by measurement of the chemiluminescence from direct oxidation with permanganate in an acidic medium. The method is applied to fruit drinks and nutritional supplements and compared satisfactorily with titrimetric and spectrofluorimetric methods.

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