Shanbhag Caffeine Extraction 2006 After the extraction procedure, the organic solution of dichloromethane and caffeine is dried with an anhydrous inorganic salt. Crude caffeine is recovered as a solid residue by evaporation of the dichloromethane. The solubility of caffeine in water at 20Â°C is 2.2 g per 100 mL, so there is no problem in keeping it in water solution while you filter off the spent tea leaves and calcium salts. Caffeine is far more soluble in dichloromethane: 10.2 g per 100 mL at
Most of the film is shot on 8 of the 2,000 acres of the Thompson farm in St Francisville / Jackson Louisiana, outside Baton Rouge. The day before this visit, we had visited the set for another Fox movie also filming in Baton Rouge: Dawn of the Planet of the Apes.
Jericho, Kansas, a fictional town, is the setting of the CBS TV series Jericho. It is described as being located in the fictitious Fillmore County, east of Denver, Colorado, close to the Colorado border. Parts of the show were filmed in the real Kansas town of Lawrence, temporarily renamed Jericho for a day during filming.