Solid waste disposal areas are the most polluted sites for soil and vegetation. The accumulation of heavy metals are injurious for plants and animal health. How can these heavy metals be analyzed? I need the procedure and methodology.
Hi Arshad
It depends on which heavy metals you want determine and what kind of equipment you have. Generally, concentrations of heavy metals in soil and plant samples can be determined by ICP or flame and graphite furnace atomic absorption spectrometry (AAS) after sample preparation by dry ashing, wet ashing and microwave digestion. Usually the microwave digestion method is the best.
Look here http://www.pjoes.com/pdf/16.1/145-154.pdf and http://scialert.net/fulltext/?doi=rjes.2010.294.299
Hi,
You should have an idea about the concentration (high or low). If it is high concentration you will able to follow the flame AAS, unless you should go to graphite and VGA AAS or ICP-MS. You should digest your sample, if available microwave accelerated system (refer, CEM, Milestone, etc.), it will be easy to do. However explain your facility available and metals which you expect to analyze, Then we can give the method.
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