Simultaneous determination of sunset yellow and Ponceau 4R in gelatin powder by derivative spectrophotometry and partial least-squares multivariate spectrophotometric calibration

Bozdogan A. E., Ozgur M., Koyuncu I.

ANALYTICAL LETTERS, cilt.33, sa.14, ss.2975-2982, 2000 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 33 Sayı: 14
  • Basım Tarihi: 2000
  • Doi Numarası: 10.1080/00032710008543235
  • Dergi Adı: ANALYTICAL LETTERS
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.2975-2982
  • Anahtar Kelimeler: derivative spectrophotometry, partial least-squares calibration, sunset yellow, Ponceau 4R, food analysis, RATIO SPECTRA, SPECTROMETRY, TARTRAZINE
  • Yıldız Teknik Üniversitesi Adresli: Evet

Özet

Two methods for the simultaneous determination of Sunset Yellow and Ponceau 4R in gelatin powders by first derivative spectrophotometry and by partial least-squares multivariate spectrophotometric calibration are described. These procedures do not require any separation step. These methods were applied to determine both colorants in commercial gelatin powders and the results obtained were compared. A good statistical agreement was obtained between the results.