“…While various natural and marine water samples make up the bulk of environmental samples, BiEs have also been applied to complex sewage samples [128,181], plant extracts [75,86], fertilizer samples [103,145] and a number of soil samples [33,34,39,49,55,104,141]. Further interesting applications have included gun shot residue [167], medical formulations (anti-inflammatory drugs [117,182], antibiotic drugs [97], and Chinese medical products [54]) the analysis of various metallurgical samples including iron ore [35,103], bronze [82], phosphate rock samples [87], dolomite [78] and finally the leaching of lead from Moroccan traditional cookware [185].…”