1. bookVolume 27 (2014): Issue 3 (September 2014)
Journal Details
License
Format
Journal
eISSN
2300-6676
ISSN
2084-980X
First Published
30 May 2014
Publication timeframe
4 times per year
Languages
English
Open Access

Application of atomic absorption spectrometry with continuous light source to analyze selected metals important for human health in different parts of oranges

Published Online: 03 Mar 2015
Volume & Issue: Volume 27 (2014) - Issue 3 (September 2014)
Page range: 145 - 147
Received: 20 Aug 2014
Accepted: 26 Aug 2014
Journal Details
License
Format
Journal
eISSN
2300-6676
ISSN
2084-980X
First Published
30 May 2014
Publication timeframe
4 times per year
Languages
English
ABSTRACT

The publication describes the application of high-resolution continuum source atomic absorption spectrometry (H-R CS AAS) to determine some physiologically essential and toxic elements occurring in citrus fruits of different origins. Before analysis, the samples were mineralized using a mixture of deionized water and 69% nitric acid 3:1 (v/v) in high pressure microwave digestion at 188°C during one hour.

The obtained validation parameters for AAS such as high linearity (the correlation coefficient R > 0.997) and high precision expressed as relative standard deviation (%RSD) were satisfactory for quantification.

Cadmium at concentration range from 0.29 to 0.43 mg/kg was determined in all tested samples, however the obtained values did not exceed Polish standards. The higher concentration of potassium comparing to sodium and calcium was noted in each investigated samples. The highest variation was observed for calcium, its concentration strongly depended on the country of origin.

Keywords

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