Cost-effective method of analysis for the determination of cadmium, copper, nickel and zinc in cocoa beans and chocolates

Ramtahal G, Chang Yen I, Bekele I, Bekele F, Wilson L, Sukha B and Maharaj K (2015)

Journal of Food Research 4(1): 193-199. doi:10.5539/jfr.v4n1p193. Online December 2014