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Modified Activated Carbon as Solid Phase Extraction Adsorbent for the Preconcentration and Determination of Trace As(III) in Environmental Samples by Graphite Furnace Atomic Absorption Spectrometry

✍ Scribed by Nahid Tavakkoli; Saeed Habibollahi; Shahla Amini Tehrani

Book ID
112060518
Publisher
John Wiley and Sons
Year
2012
Tongue
English
Weight
380 KB
Volume
30
Category
Article
ISSN
0256-7660

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## Abstract Arsenic(III) was preconcentrated in a flow-through electrochemical cell on a gold coated porous carbon electrode. On stripping, arsenic was eluted with diluted nitric acid and determined off-line by GF AAS. The deposition and stripping steps were optimized. The limit of detection and li