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Dergiler / Turkish Journal of Chemistry / 2007 / Cilt: 31 - Sayı: 6

Preconcentration of Trace Elements on Amberlite XAD-4 Resin Functionalised with 1,2-bis (o-aminophenylthio) Ethane and Their Determination by FAAS in Environmental Samples

Ömer DALMAN
Volkan Numan BULUT
Sayfa
631–646
Yayın Tarihi
2007-06-01
DOI
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The proposed enrichment method was applied to environmental samples from Trabzon.

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Amaç & Hipotez:The use of chemically modified XAD-4-1,2-bis (o-aminophenylthio) ethane chelating resin for preconcentrating Cr6+, Mn2+, Fe3+, Co2+, Cu2+, Cd2+, Zn2+, Pb2+, and Ni2+ was studied using flame atomic absorption spectrometry (FAAS) for metal monitoring in environmental samples.
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Temel Bulgular & Veri:Cd2+, Zn2+, Pb2+, and Ni2+ ions were quantitatively recovered at the rate of 96.0%, 101.0%, 101.0%, and 95.0%, respectively (RSD < 5%), from the studied solutions.
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Sonuç & Katkı:The proposed enrichment method was applied to environmental samples from Trabzon.
🔬Tür:Araştırma Makalesi
📍Kapsam:Genişletilmiş Akademik Örneklem
⚙️Değişkenler:Water · trace element · preconcentration

Özet

The use of chemically modified XAD-4-1,2-bis (o-aminophenylthio) ethane chelating resin for preconcentrating Cr6+, Mn2+, Fe3+, Co2+, Cu2+, Cd2+, Zn2+, Pb2+, and Ni2+ was studied using flame atomic absorption spectrometry (FAAS) for metal monitoring in environmental samples. Cd2+, Zn2+, Pb2+, and Ni2+ ions were quantitatively recovered at the rate of 96.0%, 101.0%, 101.0%, and 95.0%, respectively (RSD < 5%), from the studied solutions. The procedure is based on the retention of analytes on a short column of 1,2-bis (o-aminophenylthio) ethane-XAD-4 chelating resin from a buffered sample solution and subsequent elution with 1 M HNO3. Various parameters, such as pH, eluent type, and concentration, flow rate of sample solution and matrix interference effect on the retention of the metal ions have been studied. The optimum pH for the sorption of the above-mentioned metal ions was about 6. The adsorption and batch capacity of adsorbent and loading half time (t1/2) for Ni2+, Zn2+, Cd2+, and Pb2+ were established. The limit of detection was 3.0 m g L-1 for Pb2+ and Ni2+, 0.6 m g L-1 for Cd2+, and 0.3 m g L-1 for Zn2+. The validation of the procedure was carried out by analysis of certified reference materials and standard addition. The proposed enrichment method was applied to environmental samples from Trabzon.

Abstract

The use of chemically modified XAD-4-1,2-bis (o-aminophenylthio) ethane chelating resin for preconcentrating Cr6+, Mn2+, Fe3+, Co2+, Cu2+, Cd2+, Zn2+, Pb2+, and Ni2+ was studied using flame atomic absorption spectrometry (FAAS) for metal monitoring in environmental samples. Cd2+, Zn2+, Pb2+, and Ni2+ ions were quantitatively recovered at the rate of 96.0%, 101.0%, 101.0%, and 95.0%, respectively (RSD < 5%), from the studied solutions. The procedure is based on the retention of analytes on a short column of 1,2-bis (o-aminophenylthio) ethane-XAD-4 chelating resin from a buffered sample solution and subsequent elution with 1 M HNO3. Various parameters, such as pH, eluent type, and concentration, flow rate of sample solution and matrix interference effect on the retention of the metal ions have been studied. The optimum pH for the sorption of the above-mentioned metal ions was about 6. The adsorption and batch capacity of adsorbent and loading half time (t1/2) for Ni2+, Zn2+, Cd2+, and Pb2+ were established. The limit of detection was 3.0 m g L-1 for Pb2+ and Ni2+, 0.6 m g L-1 for Cd2+, and 0.3 m g L-1 for Zn2+. The validation of the procedure was carried out by analysis of certified reference materials and standard addition. The proposed enrichment method was applied to environmental samples from Trabzon.

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Bu Makaleye Atıf Yap

DALMAN, Ö., BULUT, V. N. (2007). Preconcentration of Trace Elements on Amberlite XAD-4 Resin Functionalised with 1,2-bis (o-aminophenylthio) Ethane and Their Determination by FAAS in Environmental Samples. Turkish Journal of Chemistry, Cilt: 31 - Sayı: 6, 631–646. https://ajindex.com/articles/185417

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