This preview shows page 1. Sign up to view the full content.
Unformatted text preview: into the Buchner funnel and moisten the paper with distilled water. Connect the aspirator tubing to the sidearm of the flask and turn on the aspirator fully by opening the appropriate faucet. Pour the suspension to be filtered slowly onto the filter paper. Best idea is to pour down a glass rod held in a vertical position against the lip of the beaker with its lower end close to the desired section of the filter paper. Use stiring rod to transfer as much of the the solid as possible into the filter. Remove by suction as much solvent as possible from the solid on the paper. From this we use the suction and the stirring rod to get as much of the solid onto the the filter paper as possible. We also pour down the glass rod with water so that way we get as much of the solid as possible with minimal losses....
View Full Document
- Fall '08