Analysis of Lead (Pb),Cadmium (Cd) and Chromium (Cr) in Ethiopian spices After wet (Acid) Digestion using Atomic Absorption Spectroscopy

Kassa Belay

Analysis of Lead (Pb),Cadmium (Cd) and Chromium (Cr) in Ethiopian spices After wet (Acid) Digestion using Atomic Absorption Spectroscopy

Kassa Belay * §

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§ Adigrat University

Analysis of Lead (Pb),Cadmium (Cd) and Chromium (Cr) in Ethiopian spices After wet (Acid) Digestion using Atomic Absorption Spectroscopy

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Abstract

Lead, Cadmium and Chromium concentration in spice samples collected from eastern Ethiopia were determined after digesting the samples by wet digestion methods using FAAS. Oven-dried 1 g spice samples were first Wet-digested in 8 ML of (69-70%) HNO3 and 2 ML of (30%) H2O2 for 3 hr at a temperature of 120 °C. Wet digestion method showed very fast, safer, simple and cleaner and also gives satisfactory recovery, detection limits and standard deviation relative to dry ashing method. Contents of investigated trace metal in spice samples of Lead in Fenugreek, Black cumin, garlic and ginger ranged from 0.0126 to 0.0155, 0.0205 to 0.0254, 0.0046 to 0.0066 and 0.0161 to 0.0178 mg/kg respectively. Cadmium is detected only in Fenugreek in the ranged of ND to 0.0175mg/kg where as Chromium in Fenugreek, Black cumin, Garlic and Ginger ranges from 0.0187 to 0.0219, 0.0134 to 0.0152, 0.0014 to 0.0016 and 0.0258 to 0.0346 mg/kg respectively.

References

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Kassa Belay. 2014. "Analysis of Lead (Pb),Cadmium (Cd) and Chromium (Cr) in Ethiopian spices After wet (Acid) Digestion using Atomic Absorption Spectroscopy". Global Journal of Science Frontier Research - B: Chemistry GJSFR-B Volume 14 (GJSFR Volume 14 Issue B4).

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GJSFR Volume 14 Issue B4

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

Keywords

atomic absorption spectrometry black cumin fenugreek garlic ginger Trace metals wet digestion

Classification

GJSFR-B Classification FOR Code: 039999

Submission ReceivedMay 10, 2014
Peer Review Double Blind
Handling Editor
Accepted June 6, 2014
Published June 20, 2014

Version of record

v1.2

Issue date

August 16, 2014

Language

English

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Total Score: 115

Country: Ethiopia

Subject: Global Journal of Science Frontier Research

Authors: Kassa Belay (PhD/Dr. count: 0)

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