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

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dc.contributor.authorBozdogan, A
dc.contributor.authorÖzgür, MÜ
dc.contributor.authorKoyuncu, I
dc.contributor.institutionauthorKOYUNCU, İkbal
dc.date.accessioned2026-06-27T12:56:59Z
dc.date.issued2000
dc.description.abstractTwo 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.en
dc.description.urihttps://doi.org/10.1080/00032710008543235
dc.identifier.doi10.1080/00032710008543235
dc.identifier.endpage2982
dc.identifier.issn0003-2719
dc.identifier.issue14
dc.identifier.startpage2975
dc.identifier.urihttps://hdl.handle.net/20.500.14981/48054
dc.identifier.volume33
dc.identifier.wos000165118800011
dc.language.isoeng
dc.publisherMARCEL DEKKER INC
dc.relation.ispartofANALYTICAL LETTERS
dc.subjectderivative spectrophotometry
dc.subjectpartial least-squares calibration
dc.subjectsunset yellow
dc.subjectPonceau 4R
dc.subjectfood analysis
dc.subjectRATIO SPECTRA
dc.subjectSPECTROMETRY
dc.subjectTARTRAZINE
dc.subjectChemistry
dc.titleSimultaneous determination of sunset yellow and Ponceau 4R in gelatin powder by derivative spectrophotometry and partial least-squares multivariate spectrophotometric calibration
dc.typeArticle
dspace.entity.typePublication
local.import.sourceWOS

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