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Shiri, Sabah, Avazpour, Moayd, Delpisheh, Ali, Loeimyd, Maryam. (1393). Trace determination and separation of tin (II) by floatation-spectrophotometric using kalmagyte and CTAB. فصلنامه علمی زیست فناوری گیاهان زراعی, 2(Issue 2, pp. 82-163, Serial No. 3), 119-128.
Sabah Shiri; Moayd Avazpour; Ali Delpisheh; Maryam Loeimyd. "Trace determination and separation of tin (II) by floatation-spectrophotometric using kalmagyte and CTAB". فصلنامه علمی زیست فناوری گیاهان زراعی, 2, Issue 2, pp. 82-163, Serial No. 3, 1393, 119-128.
Shiri, Sabah, Avazpour, Moayd, Delpisheh, Ali, Loeimyd, Maryam. (1393). 'Trace determination and separation of tin (II) by floatation-spectrophotometric using kalmagyte and CTAB', فصلنامه علمی زیست فناوری گیاهان زراعی, 2(Issue 2, pp. 82-163, Serial No. 3), pp. 119-128.
Shiri, Sabah, Avazpour, Moayd, Delpisheh, Ali, Loeimyd, Maryam. Trace determination and separation of tin (II) by floatation-spectrophotometric using kalmagyte and CTAB. فصلنامه علمی زیست فناوری گیاهان زراعی, 1393; 2(Issue 2, pp. 82-163, Serial No. 3): 119-128.

Trace determination and separation of tin (II) by floatation-spectrophotometric using kalmagyte and CTAB

Iranian chemical communication
مقاله 4، دوره 2، Issue 2, pp. 82-163, Serial No. 3، تیر 2014، صفحه 119-128    اصل مقاله (280.65 K)
نوع مقاله: Original Research Article
نویسندگان
Sabah Shiri* 1؛ Moayd Avazpour2؛ Ali Delpisheh3؛ Maryam Loeimyd4
1Department of Chemistry, Payam Noor University, 19395-4697 Tehran, Iran
2Department of Environmental Health Engineering, Ilam University of Medical Science, Ilam Iran
3Department of Epidemiology, Ilam University of Medical Science, Ilam, Iran
4Department of Food Hygiene, Faculty of Veterinary Medicine,Shahid Chamran University of Ahvaz,Iran
چکیده
ABSTRACT
A novel floatation-spectrophotometric extraction method was developed for the recovery of tin (II) from aqueous samples prior to determination by UV spectrophotometric detection. The method is based on the formation of a complex between tin (II) and kalmagyte in pH=8. The complex is floated in the interface of n-hexane and aqueous phases. After removing the aqueous phase, the floated particles are dissolved in methanol and the absorbance is measured at 637 nm. Different parameters of the floatation-spectrophotometric technique such as reagent concentration, pH, surfactant, standing time and interfering ions were studied and optimized to obtain the best extraction results with the minimum interference from other compounds. Under these conditions, the extraction of the target compound was almost complete (mean values of recovery was more than 92.6%) in a short time (6 min). The optimized method demonstrated good linearity (r2 > 0.9991) in the range of 4-350 ng/mL, sensitivity (limit of detection for tin (II), 1.7 ng/mL), accuracy (0.19–7.35%) and precision (3.66%, 4.21%). The applicability of the proposed method was demonstrated by extraction of tin(II) from different water samples.
کلیدواژه‌ها
floatation-spectrophotometric؛ tin (II)؛ kalmagyte؛ Water Samples
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