1 23 Food Analytical Methods ISSN 1936-9751 Volume 6 Number 1 Food Anal. Methods (2013) 6:238-247 DOI 10.1007/s12161-012-9436-0 Estimation of Sample Processing Uncertainty of Large-Size Crops in Pesticide Residue Analysis Perihan Yolci Omeroglu, Árpad Ambrus & Dilek Boyacioglu