The determination of the total elemental contents using wet acid digestion method by nitric acid and hydrogen peroxide for dissolution of seven heavy metals (Cd, Co, Cr, Ni, Pb,Cu and Mn) in the wheat flour of certi6cd and representative samples of eight wheat varieties of the Sindh, Pakistan, by atomic absorption spectrometry. The experimental study was conducted using six samples for each of eight wheat varieties of FSC&RD standard reference materials and representative samples which was collected from four agricultural research Institutes. The characteristics mean of each element for each variety of representative samples found to be in the range of 0.383-0.73, 0.50-1.82, 0.2014.289, 0.777-1.067, 0.525-0.879, 2.42-4.12, and 23.14 -37.14 in mg/kg for Cd, Co, Cr, Ni, Pb, Cu and Mn respectively, and was compared with certified sample which is at the 95% confidence limit.
S R SAHITO ,M A JAKHRANI ,G Q SHAR ,T G KAZI ,M A MEMON ,
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