SEARCH Articles Figures Tables Appendix 5.1 Methods of Sample Preparation for Analysis by MALDI Experiment 19 Colorimetric Analysis of Prepared and Real Water Samples for Iron Experiment 22 Spectrophotometric Analysis of a Prepared Sample for Toluene Experiment 24 Fluorometric Analysis of a Prepared Sample for Riboflavin Preparation of Catalyst Samples for SEM Analyses Preparation of samples Preparing for Analysis Preparing samples for Sample Preparation for Analysis of Anthocyanins and Derivatives in Wines Sample preparation for Samples preparation, for analysis Sampling and Preparation of RMs for Analysis