Fluorometric determination of resorcinols with 2,4-dihydroxybenzoylbenzoic acid

Yuriko Matsumura, Yuuki Kitani, Ryosuke Nakahara, Shinichiro Kamino, Takao Kato, Yusuke Kashiwada, Takako Yamaguchi, Yoshikazu Fujita

Research output: Contribution to journalArticlepeer-review


A simple and sensitive fluorophotometric method for the determination of resorcinols was examined utilizing a condencation reaction with 2,4-dihydroxybenzo-ylbenzoic acid in the precence of H4P2O7. In the determination of resorcinol, the calibration curve exhibited linearity over a resorcinol concentration range of 1.0~ 1100 ng mL-1 at an emission wavelength of 515 nm with an excitation of 445 nm and with the relative standard deviations (n=5) of 4.8% for 110 ng mL-1 of resorcinol.

Original languageEnglish
Pages (from-to)743-747
Number of pages5
Issue number8
Publication statusPublished - 2009


  • 2,4-dihydroxybenzoylbenzoic acid
  • Benzophenone
  • Condensation reaction
  • Fluorophotometry
  • Resorcinols

ASJC Scopus subject areas

  • Analytical Chemistry


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