Food Contaminants Heavy Metals, Pesticides, and Toxic Substances

1 Food Contaminants Heavy Metals, Pesticides, and Toxic Substances 

Pesticides such as fungicides, herbicides, and insecticides are also found as contaminanfs in food products. Alghamdi for instance, describes data on the use of AdSV in analyzing 

Analyte Sample Electro- chemical technique Working electrode Pretreatment of sample Supporting electrolyte Studied concentration/ detection limit References 

Pb (II) Rice, flour, soya, sugar, water AdCSV HMDE Microwave acid digestion 0.01 M ammonia buffer solution, pH 8.5, 8.0 mM carbidopa Pb 0.1-210nM, DL 0.09 nM and Zn 0.2-170nM, DL 0.15 nM [9] 

Pb(ll) Milk DPCSV, DPASV HMDE Acid digestion 0.1 M HCI 185-8.7 ig -1 [10] 

---