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Research Journal of Pharmacy and Technology
Year : 2018, Volume : 11, Issue : 5
First page : ( 2094) Last page : ( 2099)
Print ISSN : 0974-3618. Online ISSN : 0974-360X.
Article DOI : 10.5958/0974-360X.2018.00388.8

Sample microwave digestion for the determination of manganese, iron, zinc, copper and nickel in catfish consumed in syria by flame atomic absorption spectrometry

Antakli Saad1,*, Sarkis Nazira2, Nahas Firas2

1Department of Chemistry, Faculty of Science, University of Aleppo, Syria

2Department of Analytical and Food Chemistry, Faculty of Pharmacy, University of Aleppo, Syria

*Corresponding Author E-mail:

Online published on 21 August, 2018.

Abstract

The present research work describes a microwave-assisted digestion procedure using a new digestion mixture Nitric Acid and Hydrogen Peroxide (4: 1) for the determination of Manganese, Iron, Zinc, Copper and Nickel in Catfish samples by flame atomic absorption spectrometry (FAAS). The optimization conditions involve the following factors: Theamount of Catfish (ACF), the microwave power (MP) and the power time (PT). The experimental results of these factors were carried out on local Catfish consumed in Syria. The relative standard deviations of the method were found to be not more than 3.97% for the five studied elements. The proposed method was used for the determination of Manganese, Iron, Zinc, Copper and Nickel in muscle tail and skin of species of common local Catfish consumed in Syria. The concentrations of the analyzed Catfish samples were varied in muscle for Manganese, Iron, Zinc, Copper and Nickel, between 0.82–1.55, 32.00–43.18, 31.50–41.00, 1.04–1.54 and 0.67–0.80 (μg/g) respectively, in tail between 1.13–1.81, 31.60–52.40, 42.40–49.80, 1.30–1.67 and 0.65–0.83 (μg/g) respectively, and in skin between 2.03–2.41, 60.79–64.51, 65.30–76.94, 1.29–1.69 and 0.75–0.99 (μg/g) respectively.

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Keywords

Microwave digestion, Heavy metals, Catfish species, Flame atomic absorption spectrometry, Manganese, Iron, Zinc, Copper, Nickel.

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