Spectrophotometric determination of sulpyrine using o-hydroxyhydroquinonephthalein and cerium(IV).

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Other Title
  • Spectrophotometric Determination of Sulpyrine Using o-Hydroxy-hydroquinonephthalein and Cerium-4-
  • Spectrophotometric Determination of Sul
  • APPLICATION OF XANTHENE DERIVATIVES FOR ANALYTICAL CHEMISTRY. Part 43

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Description

A simple and sensitive spectrophotometric method for the determination of sulpyrine utilizing the decrease in the absorbance of ο-hydroxyhydroquinonephthalein-cerium(IV) complex was established. The method could be used in the concentration range of 2 - 20 μg/10 ml of sulpyrine; where the effective molar "desorptivity" at 570 nm was 1.2 × 105 dm3 mol-1 cm-1 The other pyrazolone derivatives(antipyrine, aminopyrine and phenylbutazone) could be also determined in the same way. The proposed method was successfully applied to the determination of sulpyrine in commercial injections.

Journal

  • BUNSEKI KAGAKU

    BUNSEKI KAGAKU 33 (9), E383-E388, 1984

    The Japan Society for Analytical Chemistry

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