FLAME ATOMIC ABSORPTION SPECTROMETRIC DETERMINATION OF CD(II), NI(II), CO(II) AND CU(II) IN TEA AND WATER SAMPLES AFTER SIMULTANEOUS PRECONENTRATION OF DITHIZONE LOADED ON NAPHTHALENE

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POURREZA N.; FATHI M.R.; ARDAN Z.

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Journal Paper

Paper Information

Journal: JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS) Year:2010 | Volume:7 | Issue:4 Page(s): 965-971

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Title

FLAME ATOMIC ABSORPTION SPECTROMETRIC DETERMINATION OF CD(II), NI(II), CO(II) AND CU(II) IN TEA AND WATER SAMPLES AFTER SIMULTANEOUS PRECONENTRATION OF DITHIZONE LOADED ON NAPHTHALENE

Author(s)

POURREZA N. | FATHI M.R. | ARDAN Z. | Issue Writer Certificate

Keywords

SOLID-PHASE EXTRACTION

DITHIZONE

NAPHTHALENE

METAL IONS

FLAME ATOMIC ABSORPTION SPECTROMETRY

Abstract

A simultaneous preconcentration procedure for the determination of Cd (II), Ni (II), Co (II) and Cu (II) by atomic absorption spectrometry is described. The method is based on solid phase extraction of the METAL IONS on DITHIZONE loaded on NAPHTHALENE in a mini-column, elution with nitric acid and determination by FLAME ATOMIC ABSORPTION SPECTROMETRY. The sorption conditions including NaOH concentration, sample volume and the amount of DITHIZONE were optimized in order to attain the highest sensitivity. The calibration graph was linear in the range of 0.5-75.0 ng ml-1 for Cd (II), 1.0-150.0 ng ml-1 for Ni (II), 1.0-150.0 ng ml-1 for Co (II) and 1.0-125.0 ng ml-1 for Cu (II) in the initial solution. The limit of detection based on 3Sb was 0.13, 0.32, 0.33 and 0.43 ng ml-1 for Cd (II), Ni (II), Co (II) and Cu (II), respectively. The relative standard deviations (R. S. D) for ten replicate measurements of 20 ng ml-1of Cd (II), 100 ng ml-1 of Ni (II), Co (II) and 75 ng ml-1 of Cu (II) were 3.46, 2.43, 2.45 and 3.26%, respectively. The method was applied to the determination of Cd (II), Ni (II), Co (II) and Cu (II) in black tea, tap and river water samples.

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APA: Copy

POURREZA, N., FATHI, M.R., & ARDAN, Z.. (2010). FLAME ATOMIC ABSORPTION SPECTROMETRIC DETERMINATION OF CD(II), NI(II), CO(II) AND CU(II) IN TEA AND WATER SAMPLES AFTER SIMULTANEOUS PRECONENTRATION OF DITHIZONE LOADED ON NAPHTHALENE. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 7(4), 965-971. SID. https://sid.ir/paper/282487/en

Vancouver: Copy

POURREZA N., FATHI M.R., ARDAN Z.. FLAME ATOMIC ABSORPTION SPECTROMETRIC DETERMINATION OF CD(II), NI(II), CO(II) AND CU(II) IN TEA AND WATER SAMPLES AFTER SIMULTANEOUS PRECONENTRATION OF DITHIZONE LOADED ON NAPHTHALENE. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)[Internet]. 2010;7(4):965-971. Available from: https://sid.ir/paper/282487/en

IEEE: Copy

N. POURREZA, M.R. FATHI, and Z. ARDAN, “FLAME ATOMIC ABSORPTION SPECTROMETRIC DETERMINATION OF CD(II), NI(II), CO(II) AND CU(II) IN TEA AND WATER SAMPLES AFTER SIMULTANEOUS PRECONENTRATION OF DITHIZONE LOADED ON NAPHTHALENE,” JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), vol. 7, no. 4, pp. 965–971, 2010, [Online]. Available: https://sid.ir/paper/282487/en

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