Determination of Nickel in Alkaline Salts by Inductively Coupled Plasma Atomic Emission Spectroscopy Using 1-(2-Thiazolylazo)-p-Cresol for Preconcentration and Separation

Ferreira, Sérgio Luís Costa; Queiroz, Adriana S.; Korn, Maria das Graças Andrade; Costa, Antônio Celso Spı́nola

doi:10.1080/00032719708001736

Cited by 10 publications

(2 citation statements)

References 3 publications

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“…Sample pretreatment by coprecipitation, solvent extraction (Ferreira et al 1997;Wu and Boyle 1997), calibration by internal standard, isotope dilution (Alimonti et al 1997), and alternative sample introduction (electrothermal vaporization, flow injection, or ultrasonic nebulization) are common ways to handle what ICP-MS lacks (Jakubowski and Stuever 1997). Additionally, the subtraction of interfering signal and the limitation of polyatomic species formation are ways to correct spectral interferences (Wu and Boyle 1997).…”

Section: Seawater Samplesmentioning

confidence: 99%

Biosorption of heavy metals by lignocellulosic biomass and chemical analysis

Lindholm‐Lehto

2019

BioRes

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Many types of lignocellulosic biomass show effective binding of toxic heavy metals from industrial and environmental effluents. Biosorption is an emerging option for conventional methods to remove heavy metals, some of them with even better efficiencies compared to conventional methods. Raw material for biosorption is typically low-cost and easily available, including agricultural waste or forest residues such as sawdust, bark, or needles. This review concentrates on the accumulation of heavy metals by lignocellulosic biosorbents. Thus far, biosorption has not been economically feasible on a large scale and needs further development for profitability. Industrial-scale wood-based biosorbent applications are especially still lacking. Moreover, due to legislative demands, there is an increasing need for accurate and reliable analytical methods for metal analysis of environmental and industrial effluents. In the future, biosorption processes are likely to become common, and the requirement for environmental monitoring will increase due to ever restricting regulations. This emphasizes not only the need for the development of feasible process solutions, but also a requirement for accurate analytical methods.

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Section: Seawater Samplesmentioning

confidence: 99%

Biosorption of heavy metals by lignocellulosic biomass and chemical analysis

Lindholm‐Lehto

2019

BioRes

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“…Extraction techniques can vary according to the degree of selectivity, speed and proper method [4]. Methods such as liquid-liquid extraction [5], solid-phase extraction [6] and cloud point extraction [7] are widely used in separation and pre-concentration of trace elements. The main limitations of these procedures are time-consuming extraction methods, tedious operation, low enrichment factors, and the large amounts of poisonous organic solvent [8,9].…”

Section: Introductionmentioning

confidence: 99%

Pre-concentration of uranium from water samples by dispersive liquid–liquid micro-extraction

Khajeh

Nemch

2014

Radiochimica Acta

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In this study, a simple and rapid dispersive liquid-liquid microextraction (DLLME) was developed for the determination of uranium in water samples prior to high performance liquid chromatography with diode array detection. 1-(2-pyridylazo)-2-naphthol (PAN) was used as complexing agent. The effect of various parameters on the extraction step including type and volume of extraction and dispersive solvents, pH of solution, concentration of PAN, extraction time, sample volume and ionic strength were studied and optimized. Under the optimum conditions, the limit of detection (LOD) and preconcentration factor were 0.3 g L −1 and 194, respectively. Furthermore, the relative standard deviation of the ten replicate was <2.6%. The developed procedure was then applied to the extraction and determination of uranium in the water samples.

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Simultaneous Determination of Nickel and Cadmium by Adsorptive Stripping Voltammetry

et al. 2008

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A sensitive and fast method for the simultaneous determination of trace amounts of nickel and cadmium in real samples has been described using differential pulse adsorptive stripping voltammetry (DPASV) by adsorptive accumulation of the N,N'-bis(salicylaldehydo)4-carboxyphenylenediamine (BSCPDA) -complex on the hanging mercury drop electrode (HMDE). As supporting electrolyte 0.02 mol L À1 ammonia buffers containing ligand has been used. Optimal analytical conditions were found to be: BSCPDA concentration of 42 mM, pH 9.6 and adsorption potential at À 50 mV versus Ag/AgCl. With an accumulation time of 20 s, the peaks current are proportional to the concentration of nickel and cadmium over the 1 -180, and 0.5 -200 ng mL À1 with detection limits of 0.06 and 0.03 ng mL À1 respectively. The sensitivity of method for determination of nickel and cadmium were obtained 0.54 and 0.98 nA mL ng À1 , respectively. The procedure was applied to simultaneous determination of nickel and cadmium in some real and synthetic artificial samples with satisfactory results.

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Determination of Nickel in Alkaline Salts by Inductively Coupled Plasma Atomic Emission Spectroscopy Using 1-(2-Thiazolylazo)-p-Cresol for Preconcentration and Separation

Cited by 10 publications

References 3 publications

Biosorption of heavy metals by lignocellulosic biomass and chemical analysis

Biosorption of heavy metals by lignocellulosic biomass and chemical analysis

Pre-concentration of uranium from water samples by dispersive liquid–liquid micro-extraction

Simultaneous Determination of Nickel and Cadmium by Adsorptive Stripping Voltammetry

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