English to French Science Agriculture

16:29 – 16:34 Chapter 6:
Controls: Testing Organic Fruit and Vegetables for Pesticide Residues
16:34 – 17:45 I. Preparation for testing and first test: Cutting segments and first test for Dithiocarbamates
II. Homogenization and portioning of apples for further analysis.
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17:45 – 21:29 III. Preparation for tests: Weighing samples into bottles for extraction with organic solvents. Centrifugation and decantation into bottles. Pipetting 20 ml aliquots into test tubes for concentration.
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21:29 – 22:58 Tests: *Running samples together with the standards on gas chromatographs* with different detectors, followed by calibration of standards to calculate the sample. The results of the analysis can be seen on the screen.
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End