Chromatography Crossword

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Across 5 the green plant pigment that absorbs sunlight (11) 8 invented chromatography (5) 10 retention factor (2) 11 the gases in GC are this (5) 13 the mathematical operation that is used to calculate a retention factor (8) 14 a measure of how much a molecule is held back in a given chromatographic system (9,6) 15 separating molecules by their size, shape, weight, etc. (14) 16 the starting point for molecules in chromatography (6) 18 how different molecules show up on a chromatogram from GC or HPLC (5) Down 1 high pressure liquid chromatography (4) 2 orange or yellow plant pigments from carrots, sweet potatoes, and squash that are important vitamins (11) 3 the part of a chromatographic system than moves (6,5) 4 water, acetone, ethanol, hexane (8)

5 the tube in a GC or HPLC machine (6) 6 a molecule that steadies pH's (6) 7 the part of a chromatographic system than doesn't move (10,5) 9 how far the liquid gets in paper chromatography (7,5) 10 Tsvet's nationality (7) 11 a molecule that changes colors in different pH's (9) 12 a small radioactive device used in GC and HPLC (8) 17 gas chromatography (2)