4 O Chem Simple Distillation Chem ALL w graphics (CC)
24:07
5 O Chem Fractional Distillation (CC)
30:04
7 O Chem Column Chromatography (cc)
24:43
1 O Chem Melting Point ALL with Graphics (CC)
9:35
Simple Distillation
26:01
6 O Chem Thin Layer Chromatography (CC)
16:34
Distillation
19:09
2 O Chem Recrystallization Procedure
9:40