Flame Atomic Absorption Spectrometry Determination of Trace Amounts of Nickel Ions in Water Samples after Ligandless Ultrasound-assisted Emulsification Microextraction

Mohammadi, Sayed Zia; Afzali, Daryoush; Baghelani, Yar Mohammad

doi:10.2116/analsci.26.973

Cited by 21 publications

(5 citation statements)

References 35 publications

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“…Nickel is considered to be moderately toxic compared to other elements. However, the inhalation of fumes containing nickel may lead to serious health problems [2]. Nickel has several industrial uses, such as its use in electroplating, ceramics, magnetic tapes, computer components as well as in the manufacture of arc-welding rods.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Considerable attention has been paid to the toxicity of nickel in low concentrations because nickel can cause an allergic reaction and certain nickel compounds may be carcinogenic [4]. Moreover, nickel can cause a disorder known as nickel-eczema [2]. The concentration range of nickel in urine is 0.27-3.68 ng/mL with a median value of 1.7 ng/mL [5].…”

Section: ■ Introductionmentioning

confidence: 99%

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A Simple Pre-concentration Method for the Determination of Nickel(II) in Urine Samples Using UV-Vis Spectrophotometry and Flame Atomic Absorption Spectrometry Techniques

Khudhair

Hassan²,

Alesary

et al. 2019

Indones. J. Chem.

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The cloud point technique was effectively utilized for extraction and pre-concentration of nickel(II) in urine samples before measurement by UV-Vis spectrophotometer and AAS techniques. The metal response to a para-aminophenol (PAP) reagent in a non-ionic surfactant Triton X-114 medium was to form the Ni-PAP complex. The adopted concentration for PAP, concentration of Triton X-114, pH effect and water bath temperature, incubation time, salt effect, and interference effects were all optimized. The calibration curve was linear over the range of (0.0625–1.25) mg L–1 with a correlation coefficient r2 of 0.9682 for the UV-Vis spectrophotometer at a λmax of 629 nm. The limit of detection was 0.005 mg/L. The relative standard deviation for six replicates was 1.07%. This method was applied successfully to determine copper (II) concentrations in 44 urine samples of occupational worker samples as determined by UV-Vis spectrophotometry and FAAS techniques.

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Section: ■ Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

A Simple Pre-concentration Method for the Determination of Nickel(II) in Urine Samples Using UV-Vis Spectrophotometry and Flame Atomic Absorption Spectrometry Techniques

Khudhair

Hassan²,

Alesary

et al. 2019

Indones. J. Chem.

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“…Nickel compounds may also be found in sludge, and in slags and fly ashes from waste incinerators [11]. The most widely used techniques for separation and preconcentration of nickel are liquidliquid extraction [12], solid phase extraction [13,14], cloud point extraction [15], cold induced aggregation microextraction [16], surfactant assisted emulsification dispersive liquid-liquid microextraction [17], ultrasound assisted emulsification microextraction [18,19], dispersive liquid-liquid microextraction [20][21][22].…”

Section: Introductionmentioning

confidence: 99%

Preconcentration of nickel in waters by vortex assisted dispersive liquid-liquid microextraction

Rojas¹,

Ojeda²

2017

Sample Preparation

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The present work describes the attempt for the preconcentration of nickel ions by using vortex assisted dispersive liquid-liquid microextraction from aqueous samples. In this method, a small amount of chloroform is rapidly injected by syringe into the water sample containing nickel ions complexed by diethyldithiocarbamate (DDTC).This forms a cloudy solution. The cloudy state is the result of chloroform fine droplets formation, which are dispersed in bulk aqueous sample. Therefore, Ni-DDTC complex is extracted into the fine chloroform droplets and vortex agitation takes place during six minutes. After optimization of experimental variables and determination of analytical characteristics, the method is evaluated for application in real samples. HPLC is used as separation and detection system.

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“…Analytical techniques such as inductively coupled plasma optic emission spectrometry (ICP-OES), 4 flame atomic absorption spectrometry (FAAS), 5 electrothermal atomic absorption spectrometry (ETAAS), 6 potentiometry with ion-selective electrodes, 7 and spectrophotometry 8,9 have been used for the determination of Ni(II) in waters.…”

Section: Introductionmentioning

confidence: 99%

An environmentally friendly analytical procedure for nickel determination by atomic and molecular spectrometry after cloud point extraction in different samples

et al. 2012

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Cloud point extraction (CPE) was employed for separation and preconcentration prior to the determination of nickel by graphite furnace atomic absorption spectrometry (GFAAS), flame atomic absorption spectrometry (FAAS) or UV-Vis spectrophotometry. Di-2-pyridyl ketone salicyloylhydrazone (DPKSH) was used for the first time as a complexing agent in CPE. The nickel complex was extracted from the aqueous phase using the Triton X-114 surfactant. Under optimized conditions, limits of detection obtained with GFAAS, FAAS and UV-Vis spectrophotometry were 0.14, 0.76 and 1.5 mg L À1 , respectively. The extraction was quantitative and the enrichment factor was estimated to be 27. The method was applied to natural waters, hemodialysis concentrates, urine and honey samples. Accuracy was evaluated by analysis of the NIST 1643e Water standard reference material.

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Flame Atomic Absorption Spectrometry Determination of Trace Amounts of Nickel Ions in Water Samples after Ligandless Ultrasound-assisted Emulsification Microextraction

Cited by 21 publications

References 35 publications

A Simple Pre-concentration Method for the Determination of Nickel(II) in Urine Samples Using UV-Vis Spectrophotometry and Flame Atomic Absorption Spectrometry Techniques

A Simple Pre-concentration Method for the Determination of Nickel(II) in Urine Samples Using UV-Vis Spectrophotometry and Flame Atomic Absorption Spectrometry Techniques

Preconcentration of nickel in waters by vortex assisted dispersive liquid-liquid microextraction

An environmentally friendly analytical procedure for nickel determination by atomic and molecular spectrometry after cloud point extraction in different samples

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