13:05 Using Fractional Distillation for Purification of Hydrobromic acid NurdRage 139.1K views - 10 years ago
9:18 Make Ethyl Propionate by Fischer Esterfication and Molecular Sieves with a Soxhlet extractor NurdRage 56.8K views - 9 years ago
10:26 Fractional Distillation of Lacquer Thinner to Obtain Toluene NurdRage 181.4K views - 10 years ago
26:00 Make a Tritium Nuclear Battery or Radioisotope Photovoltaic Generator NurdRage 1M views - 9 years ago