Across
- 5. ____ method is used to determine the nitrogen content of a samples.
- 6. During the heating process of ether extraction, the round bottom flask is connected to ________ Extractor.
- 8. All organic matter is burned into carbon dioxide and other gases escape into the air as smoke during the process of ________.
- 9. At which steps does the solution turn from green to pink?
- 10. The process of ______ the samples with diethyl-ether is carried out during the Determination of Ether Extraction.
Down
- 1. After the furnace is turned off, the crucible containing ash is allowed to cool ________.
- 2. Organic matter is the loss of weight after incinerating the sample in a ______ furnace at 500°C.
- 3. What solution is used to de-fatting?
- 4. What solution is added that turns red when a few drops are added to an acidic solution and green when added to an alkaline solution?
- 7. During the process of Ether Extraction, fats and oils are dissolved in ______ solvents such as diethyl ether.