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A green and efficient procedure for the preconcentration and determination of cadmium, nickel and zinc from freshwater, hemodialysis solutions and tuna fish samples by cloud point extraction and flame atomic absorption spectrometry

Cloud point extraction (CPE) was used to simultaneously preconcentrate trace-level cadmium, nickel and zinc for determination by flame atomic absorption spectrometry (FAAS). 1-(2-Pyridilazo)-2-naphthol (PAN) was used as a complexing agent, and the metal complexes were extracted from the aqueous phas... Full description

Journal Title: Journal of trace elements in medicine and biology 2014, Vol.28 (2), p.160-165
Main Author: Galbeiro, Rafaela
Other Authors: Garcia, Samara , Gaubeur, Ivanise
Format: Electronic Article Electronic Article
Language: English
Subjects:
Quelle: Alma/SFX Local Collection
Publisher: Germany: Elsevier GmbH
ID: ISSN: 0946-672X
Link: https://www.ncbi.nlm.nih.gov/pubmed/24411695
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title: A green and efficient procedure for the preconcentration and determination of cadmium, nickel and zinc from freshwater, hemodialysis solutions and tuna fish samples by cloud point extraction and flame atomic absorption spectrometry
format: Article
creator:
  • Galbeiro, Rafaela
  • Garcia, Samara
  • Gaubeur, Ivanise
subjects:
  • Animals
  • Cadmium
  • Cadmium - analysis
  • Cloud point extraction
  • Fresh Water - chemistry
  • Freshwater
  • Green Chemistry Technology - methods
  • Hemodialysis
  • Hemodialysis solutions
  • Hemodialysis Solutions - chemistry
  • Hydrogen-Ion Concentration
  • Ions
  • Metals ions
  • Nickel
  • Nickel - analysis
  • Polyethylene glycol
  • Polyethylene Glycols
  • Polyols
  • Reference Standards
  • Spectrophotometry, Atomic - methods
  • Spectrum analysis
  • Tuna - metabolism
  • Tuna fish samples
  • Zinc - analysis
ispartof: Journal of trace elements in medicine and biology, 2014, Vol.28 (2), p.160-165
description: Cloud point extraction (CPE) was used to simultaneously preconcentrate trace-level cadmium, nickel and zinc for determination by flame atomic absorption spectrometry (FAAS). 1-(2-Pyridilazo)-2-naphthol (PAN) was used as a complexing agent, and the metal complexes were extracted from the aqueous phase by the surfactant Triton X-114 ((1,1,3,3-tetramethylbutyl)phenyl-polyethylene glycol). Under optimized complexation and extraction conditions, the limits of detection were 0.37μgL−1 (Cd), 2.6μgL−1 (Ni) and 2.3μgL−1 (Zn). This extraction was quantitative with a preconcentration factor of 30 and enrichment factor estimated to be 42, 40 and 43, respectively. The method was applied to different complex samples, and the accuracy was evaluated by analyzing a water standard reference material (NIST SRM 1643e), yielding results in agreement with the certified values.
language: eng
source: Alma/SFX Local Collection
identifier: ISSN: 0946-672X
fulltext: fulltext
issn:
  • 0946-672X
  • 1878-3252
url: Link


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titleA green and efficient procedure for the preconcentration and determination of cadmium, nickel and zinc from freshwater, hemodialysis solutions and tuna fish samples by cloud point extraction and flame atomic absorption spectrometry
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descriptionCloud point extraction (CPE) was used to simultaneously preconcentrate trace-level cadmium, nickel and zinc for determination by flame atomic absorption spectrometry (FAAS). 1-(2-Pyridilazo)-2-naphthol (PAN) was used as a complexing agent, and the metal complexes were extracted from the aqueous phase by the surfactant Triton X-114 ((1,1,3,3-tetramethylbutyl)phenyl-polyethylene glycol). Under optimized complexation and extraction conditions, the limits of detection were 0.37μgL−1 (Cd), 2.6μgL−1 (Ni) and 2.3μgL−1 (Zn). This extraction was quantitative with a preconcentration factor of 30 and enrichment factor estimated to be 42, 40 and 43, respectively. The method was applied to different complex samples, and the accuracy was evaluated by analyzing a water standard reference material (NIST SRM 1643e), yielding results in agreement with the certified values.
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subjectAnimals ; Cadmium ; Cadmium - analysis ; Cloud point extraction ; Fresh Water - chemistry ; Freshwater ; Green Chemistry Technology - methods ; Hemodialysis ; Hemodialysis solutions ; Hemodialysis Solutions - chemistry ; Hydrogen-Ion Concentration ; Ions ; Metals ions ; Nickel ; Nickel - analysis ; Polyethylene glycol ; Polyethylene Glycols ; Polyols ; Reference Standards ; Spectrophotometry, Atomic - methods ; Spectrum analysis ; Tuna - metabolism ; Tuna fish samples ; Zinc - analysis
ispartofJournal of trace elements in medicine and biology, 2014, Vol.28 (2), p.160-165
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abstractCloud point extraction (CPE) was used to simultaneously preconcentrate trace-level cadmium, nickel and zinc for determination by flame atomic absorption spectrometry (FAAS). 1-(2-Pyridilazo)-2-naphthol (PAN) was used as a complexing agent, and the metal complexes were extracted from the aqueous phase by the surfactant Triton X-114 ((1,1,3,3-tetramethylbutyl)phenyl-polyethylene glycol). Under optimized complexation and extraction conditions, the limits of detection were 0.37μgL−1 (Cd), 2.6μgL−1 (Ni) and 2.3μgL−1 (Zn). This extraction was quantitative with a preconcentration factor of 30 and enrichment factor estimated to be 42, 40 and 43, respectively. The method was applied to different complex samples, and the accuracy was evaluated by analyzing a water standard reference material (NIST SRM 1643e), yielding results in agreement with the certified values.
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