Investigation on the heavy metal content of zinc-carbon and alkaline manganese dry cells |
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| Authors: | Recknagel Sebastian Richter Andrea Richter Silke |
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| Institution: | 1. Department of Chemistry, Faculty of Science, Masaryk University, Brno, Czech Republic;2. Central European Institute of Technology, CEITEC MU, Masaryk University, Brno, Czech Republic;1. Science and Research Branch, Islamic Azad University, Fars, Iran;2. Nanomedicine and Nanobiology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran;3. Department of Medical Physics, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran;4. Department of Nanomedicine, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran;1. Department of Environmental Science and Engineering, Fudan University, Shanghai 200433, PR China;2. Nanjing General Hospital of Nanjing Military Command of Chinese PLA, Nanjing 210002, PR China;3. Gas Technology Institute, 1700 S. Mt. Prospect Rd., Des Plaines, IL 60018, USA |
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| Abstract: | The objective of this work was to test the compliance of commercially available batteries with the German Battery Ordinance, a project of the German government that was initiated by the Federal Environment Agency. Different types of commercially available dry cells were analysed for their cadmium, lead and mercury contents. The dry cells underwent mechanical pre-treatment, separation of the different components and microwave-assisted digestion before determination of the heavy metals. Mercury is sometimes added to prevent the generation of gaseous hydrogen from the electrochemical process. Lead could be present since it is sometimes used as an alloying element of zinc. Cadmium has no technical importance and is an undesirable impurity. None of the batteries contained higher heavy metal mass fractions than the permissible limits. |
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