Separated Compounds Solvent From Sample The Por Solvent System Baseline Above The Level Of The Solvent Figure A13 Chro 1 (41.73 KiB) Viewed 81 times
Separated Compounds Solvent From Sample The Por Solvent System Baseline Above The Level Of The Solvent Figure A13 Chro 2 (46.21 KiB) Viewed 81 times
Separated compounds Solvent from Sample the por Solvent system Baseline (above the level of the solvent Figure A13: Chromatography tank containing the TLC plate & When the solvent has evaporated from the plate, place your plate under a UV lamp and mark the positions of the UV active compounds with a pencil 7. You final TLC plate should look something like that shown in Figure A14 below. Solvent front Separated Component Distance travelled by solvent (mobile phase) Distance travelled by separated component Baseline Figure A14: Final TLC plate. Record the retention factor (RF value) for each component in your mixture using the following formula: 4.2 = 0.5125 RE distance travelled by the component (mm) distance travelled by the solvent (mm) a 8 87
4: Benzophenone Reduction Experiment 5 Answer Sheet Student Name Locker Number Please complete this answer sheet which relates to Experiment 6 'Reduction of Benzophenone'. You should show this sheet to a demonstrator before you leave the laboratory in order to have it marked. OH NaBH4 EtOH, H2O benzophenone diphenylmethanol In this experiment, you are using 1.0 g of benzophenone. 351 Record the weight of diphenylmethanol obtained, and calculate the % yield for your reaction. b 4.1 -0-5125 9 8 BE Mark (out of 4) Record the melting point for diphenylmethanol. No time
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!