Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/5419
Title: Cobalt determination in natural water and table salt samples by flame atomic absorption spectroscopy/on-line solid phase extraction combination
Authors: Karatepe, A.U.
Soylak, Mustafa
Elçi, Latif
Keywords: Chromosorb 105
FAAS
Natural waters
On-line preconcentration
Separation
Table salts
acrylic acid methyl ester
ammonia
cobalt
hydrochloric acid
resin
sodium chloride
tap water
analytical parameters
article
atomic absorption spectrometry
elution
flow rate
nebulizer
pH
solid phase extraction
Abstract: In the present work, a methyl acrylate resin (Chromosorb 105) was used for on-line solid phase extraction and determination of traces cobalt by flame atomic absorption spectrometry (FAAS). Cobalt is preconcentrated at pH 9 onto mini column at NH3 media. The elution step for retained cobalt is performed with a stream of 1 M HCl at 4.0 mL/min and cobalt displaced is introduced directly into the nebulizer of flame atomic absorption spectrometer. The effects of analytical parameters including pH, flow rates etc., were investigated. The proposed method was successfully applied to the determination of cobalt in tap water and table salt samples. A detection limit of 2.5 µg/L for preconcentration at 4.0 mL/min is obtained and an enrichment factor of 50 could be achieved. The recoveries of spike additions to tap water and table salt samples were greater than 95%. The relative standard deviations were also below 4%.
URI: https://hdl.handle.net/11499/5419
https://doi.org/10.1081/AL-120016109
ISSN: 0003-2719
Appears in Collections:Fen-Edebiyat Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

Show full item record



CORE Recommender

SCOPUSTM   
Citations

32
checked on Sep 30, 2024

WEB OF SCIENCETM
Citations

33
checked on Sep 30, 2024

Page view(s)

44
checked on Aug 24, 2024

Google ScholarTM

Check




Altmetric


Items in GCRIS Repository are protected by copyright, with all rights reserved, unless otherwise indicated.