Sensitivity improvement for antimony determination by using in-situ atom trapping in a slotted quartz tube and flame atomic absorption spectrometry

Date

2012-11-01

Author

TİTRETİR DURAN, SERAP
Sik, Ahmet Inanc
ARSLAN, YASİN
Ataman, Osman Yavuz

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Significant improvement has been achieved for antimony determination using a slotted quartz tube (SQT) as an atom trap (AT) for in situ preconcentration and flame atomic absorption spectrometry (FAAS). The suggested technique consists of trapping analyte species during ordinary nebulization followed by releasing the collected analyte via introducing organic solvent. Procedures and analytical figures of merit have been presented for the techniques called FAAS. SQT-FAAS and finally SQT-AT-FMS with the relevant comparisons. Analytical parameters, namely composition of the aqueous medium, sample flow rate, flame conditions, distance between burner head and SQT, sampling period and type of organic solvent and its volume have been optimized. Using SQT-AT-FAAS, a sensitivity enhancement of 369 fold has been obtained, 3 s limit of detection was 3.91 mu g L-1 when 25.0 mL of sample was collected in 4.0 min. Interference effects of some elements on antimony signal were studied.

Subject Keywords

Antimony, Flame atomic absorption spectrometry, Slotted quartz tube

URI

https://hdl.handle.net/11511/31577

Journal

SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY

DOI

https://doi.org/10.1016/j.sab.2012.09.001

Collections

Graduate School of Natural and Applied Sciences, Article

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SENSITIVITY ENHANCEMENT FOR SLOTTED QUARTZ TUBE FLAME ATOMIC ABSORPTION SPECTROMETRY USING A GAS SCREEN Gholami, Mehrdad; Farjoud, Mohammad Javad; Sepehri, Masoud; Nazari, Ammar; Gholami, Majid; Behkami, Shima; Ataman, Osman Yavuz (2011-01-01) Slotted Quartz Tube (SQT) is a simple device that provides a sensitivity enhancement of 2-5 times in Flame Atomic Absorption Spectrometry (FAAS) depending on the element. A Gas Screen-Slotted Quartz Tube (GS-SQT) was designed to further increase sensitivity. For this purpose, two slotted gas chambers were fixed on the left and right sides of a burner head and Ar gas was supplied into these chambers perpendicular to the light path to produce two thin layers of gas screen. It was observed that these Ar screen...
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Citation Formats

S. TİTRETİR DURAN, A. I. Sik, Y. ARSLAN, and O. Y. Ataman, “Sensitivity improvement for antimony determination by using in-situ atom trapping in a slotted quartz tube and flame atomic absorption spectrometry,” SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY, pp. 63–68, 2012, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/31577.