Recrystallization: Purification of Crystalline Organic Compounds?

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Recrystallization: Purification of Crystalline Organic Compounds?

What purpose does the addition of finely divided charcoal serve during the recrystallization of impure solids?

2007-09-17 18:22:34 · 2 answers · asked by David N 1 in Science & Mathematics ➔ Chemistry

2 answers

The carbon tends to selectively attract impurities so they don't wind up in your crystals.

2007-09-17 18:38:55 · answer #1 · answered by Flying Dragon 7 · 0⤊ 0⤋

It is important to know the properties of your organic compound before you introduce a solvent. Is it nonpolar or polar? Is it stable at room temperature or it needs more assistance? For separating organic compounds it is best to use separatory funnel for classical method.

2016-05-17 10:43:02 · answer #2 · answered by ? 3 · 0⤊ 0⤋