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A Dip Test Strip Based on Immobilized Pararosaniline for Detection of Formalin Adulteration in Tofu

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dc.Conferencecode137127
dc.Conferencedate7 November 2017 through 8 November 2017
dc.ConferencelocationMelaka, MALAYSIA
dc.ConferencenameInternational Conference on Recent Advancements in Science and Technology 2017, ICoRAST 2017
dc.FundingDetailsThe authors gratefully thank the DRPM, Ministry of Research, Technology and Higher Education, the Republic of Indonesia for supporting this work via the International Research Collaboration and Publication Program 2017 (Hibah Kerjasama dan Publikasi Internasional 2017) and Mrs. I.P. Sary for valuable discussion concerning this work.
dc.contributor.affiliationsFaculty of Science and Technology
dc.contributor.affiliationsUniversity of Jember
dc.contributor.affiliationsUniversiti Sains Islam Malaysia (USIM)
dc.contributor.authorKuswandi B.
dc.contributor.authorRiskyna A.
dc.contributor.authorAhmad M.
dc.date.accessioned2024-05-28T08:29:29Z
dc.date.available2024-05-28T08:29:29Z
dc.date.issued2018
dc.description.abstractA sensitive dip test strip for detection of formalin (HCHO) in tofu samples based on immobilized pararosaniline (PR) has been developed. The test strip has been fabricated by immobilizing PR reagent on filter paper. By using image color analysis (ImageJ) as the average of ?RGB value as color sensor response, the analytical parameters are obtained from an area of the sensing zone of the test strip using digital output of the color scanner. By using this scanometric method, it is possible to determine HCHO as low as 0.05 mg/L with the concentration range of 2-80 mg/L and the response time of 3 minutes. The reproducibility was found to be 8.04% (RSD) for good recovery. The test strip has been successfully applied to detect formaldehyde in tofu samples, and the results show in good agreement with the Nash method using UV/vis spectrophotometry.
dc.description.natureFinal
dc.editorAli E.S.Yatim N.M.Harun F.W.
dc.identifier.doi10.1063/1.5041220
dc.identifier.isbn9780740000000
dc.identifier.issn0094243X
dc.identifier.scopus2-s2.0-85048852840
dc.identifier.scopusWOS:000436350900002
dc.identifier.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85048852840&doi=10.1063%2f1.5041220&partnerID=40&md5=4534dec9c76c74986e64a5f03a74fa09
dc.identifier.urihttps://oarep.usim.edu.my/handle/123456789/8906
dc.identifier.volume1972
dc.languageEnglish
dc.language.isoen_US
dc.publisherAmerican Institute of Physics Inc.
dc.relation.ispartofOpen Access
dc.relation.ispartofAIP Conference Proceedings
dc.sourceScopus
dc.titleA Dip Test Strip Based on Immobilized Pararosaniline for Detection of Formalin Adulteration in Tofu
dc.title.alternativeAIP Conf. Proc.
dc.typeConference Paper
dspace.entity.typePublication

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