Determination of Nickel in Alcoholic Beverages by FAAS after online Preconcentration using Mandarin Peel (<i>Citrus reticulata</i>) as Biosorbent

Ribeiro, Gabriela C.; Coelho, Luciana Melo; Coelho, Nívia M. M.

doi:10.5935/0103-5053.20130138

Cited by 3 publications

(4 citation statements)

References 2 publications

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“…The material is positively charged surface in solutions with pH below 6.0 while above this value, the surface is negatively charged. From this evidence, a study was performed to evaluate the effect of pH on the chromium inorganic species adsorption and found that at pH 4.0 it is possible to separate the chromium species (III and VI) ( Ribeiro et al [17] used the Mandarin peel (Citrus reticulata) as natural adsorbent to develop the analytical methodology using solid phase extraction for the direct determination of nickel in alcoholic beverages (whiskes and cachaça). In this work, it was used the online flow injection analysis system like that one previously mentioned in other works with detection by FAAS [17].…”

Section: Heavy Metalsmentioning

confidence: 99%

“…From this evidence, a study was performed to evaluate the effect of pH on the chromium inorganic species adsorption and found that at pH 4.0 it is possible to separate the chromium species (III and VI) ( Ribeiro et al [17] used the Mandarin peel (Citrus reticulata) as natural adsorbent to develop the analytical methodology using solid phase extraction for the direct determination of nickel in alcoholic beverages (whiskes and cachaça). In this work, it was used the online flow injection analysis system like that one previously mentioned in other works with detection by FAAS [17]. It was used 10 mL of a Ni(II) 30.0 μg L −1 solution, and the best conditions were found on 50 mg of adsorbent mass, pH 6, sample flow rate of 4.3 mL min −1 , and HCI 1.0 mol L −1 with flow rate of 2.0 mL min −1 as eluent.…”

Section: Heavy Metalsmentioning

confidence: 99%

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Biosorbents in the Metallic Ions Determination

Júnior¹,

Siqueira²,

eSilva³

et al. 2018

Heavy Metals

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This chapter provides an overview and discusses analytical strategies for metallic ions determination using solid phase extraction. Solid phase extraction (SPE) is a much-used technique for extraction and/or concentration of complex samples, so that the analytes present in low concentration were detected mainly using chromatographic methods. However, in recent years, this technique has been widely used in the development of methodologies for metallic ions determination in the deferential samples. This technique shows simplicity and rapidity comparing with other conventional techniques, liquidliquid extraction, cloud point extraction and others. Solid phase extraction procedures become even more interesting when commercial adsorbents are exchanged for others with higher adsorptive capacity, selectivity, flexibility, economy and low environmental impacts. For this purpose, some inorganic, organic and several natural adsorbents are used. New approaches to obtain adsorbent materials from natural sources such as fungi, bacteria, industrial residues and composting materials have received attention. These materials have been used in the development of analytical methods with varied proposals, such as preconcentration or speciation of metal ions.

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Section: Heavy Metalsmentioning

confidence: 99%

Section: Heavy Metalsmentioning

confidence: 99%

Biosorbents in the Metallic Ions Determination

Júnior¹,

Siqueira²,

eSilva³

et al. 2018

Heavy Metals

View full text Add to dashboard Cite

show abstract

“…A great number of plant-derivatives have been used in analytical chemistry for elemental analysis, e.g. mandarin peel, beancoat, seeds, among others [27][28][29]. Previous articles have suggested some plant-derivatives as biological substrates, such as agricultural wastes.…”

Section: Classes Of Biological Substrates Used For Elemental Determin...mentioning

confidence: 99%

“…A SPE method has been developed for on-line preconcentration and determination of Ni in alcoholic beverages using mandarin peel as biosorbent and FAAS detection [28]. Although the enrichment factor was 12, the proposed method offered advantages such as good sample throughput (15 samples per h) and a column reutilization for 40 cycles of preconcentration without loss of stability.…”

Section: Peelsmentioning

confidence: 99%