Determination of heavy metals in soil, mushroom and plant samples by atomic absorption spectrometry |
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Authors: | Mustafa Tüzen |
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Institution: | Faculty of Science and Arts, Chemistry Department, Gaziosmanpa
a University, 60250, Tokat, Turkey |
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Abstract: | The concentrations of heavy metals in the soil, mushroom and plant samples collected from Tokat, Turkey have been determined by flame and graphite furnace atomic absorption spectrometry after dry ashing, wet ashing and microwave digestion. The study of sample preparation procedures showed that the microwave digestion method was the best. Good accuracy was assured by the analysis of standard reference materials. The relative standard deviations for all measured metal concentrations were lower than 10%. In all cases, quantitative analytical recoveries ranging from 95 to 103% were obtained. Metal accumulation factors were calculated for mushroom and plant samples. High ratio of plants to soil cadmium, zinc and copper concentrations indicate that these elements are accumulated by mushrooms. Results obtained are in agreement with data reported in the literature. |
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Keywords: | Atomic absorption spectrometry Digestion Heavy metals Soil Mushroom Plant |
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