Translate the chem experiment

1. In a fume hood pour the solvent (or 'mobile phase') to the depth of about 5mm in a 100mL beaker. Cover with cling film. 2. Imagine a faint line on the TLC chip about 1 cm from one end, and place along the line one spot of: the salicylic acid solution provided , your extract 3. when the spots have dried,... 顯示更多 1. In a fume hood pour the solvent (or 'mobile phase') to the depth of about 5mm in a 100mL beaker. Cover with cling film.
2. Imagine a faint line on the TLC chip about 1 cm from one end, and place along the line one spot of: the salicylic acid solution provided , your extract
3. when the spots have dried, carefully place thevchip in the beaker
4. allow the solvent to dry in a fume hood and tip the residual solvent down a fume hood sink with lots of water.


2nd experiment
1. write down a method for determining the identity of your unknown using the melting points of mixtures of your unknown with urea and cinnamic acid. make the mixtures by grinding together samples of your unknown and either cinnamic acid oor urea in a mortar and pestle. The mixtures must be very intimately ground together.
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