1 Ocak 2018 Dergi makalesi Açık Erişim

Panhwar, Abdul Haleem; Tuzen, Mustafa; Deligonul, Nihal; Kazi, Tasneem Gul

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/29921</identifier>
  <creators>
    <creator>
      <creatorName>Panhwar, Abdul Haleem</creatorName>
      <givenName>Abdul Haleem</givenName>
      <familyName>Panhwar</familyName>
    </creator>
    <creator>
      <creatorName>Tuzen, Mustafa</creatorName>
      <givenName>Mustafa</givenName>
      <familyName>Tuzen</familyName>
    </creator>
    <creator>
      <creatorName>Deligonul, Nihal</creatorName>
      <givenName>Nihal</givenName>
      <familyName>Deligonul</familyName>
      <affiliation>Gaziosmanpasa Univ, Fac Sci &amp; Arts, Dept Chem, TR-60250 Tokat, Turkey</affiliation>
    </creator>
    <creator>
      <creatorName>Kazi, Tasneem Gul</creatorName>
      <givenName>Tasneem Gul</givenName>
      <familyName>Kazi</familyName>
      <affiliation>Univ Sindh, Natl Ctr Excellence Analyt Chem, Jamshoro 76080, Pakistan</affiliation>
    </creator>
  </creators>
  <titles>
    <title>Ultrasonic Assisted Deep Eutectic Solvent Liquid-Liquid Microextraction Using Azadipyrromethene Dye As Complexing Agent For Assessment Of Chromium Species In Environmental Samples By Electrothermal Atomic Absorption Spectrometry</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2018</publicationYear>
  <dates>
    <date dateType="Issued">2018-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/29921</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1002/aoc.4319</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
  </rightsList>
  <descriptions>
    <description descriptionType="Abstract">A novel type of solvent named deep eutectic solvent (DES) has been considered as a green ionic liquid analogue. A novel method was developed for enrichment and speciation of chromium ion from water and food samples based on deep eutectic solvent and ultrasonic extraction. The procedure for this method was comprised of Cr(III) complex formation with a hydrophobic complexing agent (Z)-N-(3,5-diphenyl-1H-pyrrol-2-yl)-3,5-diphenyl-2H-pyrrol-2-imine (azadipyrromethene dye). Metal complex was entrapped in a deep eutectic solvent as an extracting solvent. While Cr(III) recovery was quantitative, the recovery of Cr(VI) was found 5%. After reduction of Cr(VI) to Cr(III), the method was applied for determination of total chromium(III) ion. The amount of Cr(VI) was calculated as subtracting of Cr(III) from total chromium ion. Various analytical parameters were optimized. The certified reference materials were analyzed and standard addition method also carried out to real samples to check the accuracy of the developed method. Preconcentration factor was found to be 50. The limit of detection of chromium(III) was found to be 4.3 ng l(-1). The precision of developed method as the relative standard deviation (RSD) was found as 3.5 %. The developed method was applied successfully for the speciation of chromium ions in water and food samples.</description>
  </descriptions>
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