Transcription of Chemical Test for Caffeine
{{id}} {{{paragraph}}}
Example: quiz answers
Chemical Test for Caffeine
1 Christian Alliance S C Chan Memorial College/2013-14 Chemistry Olympiad/ Caffeine Hong Kong Chemistry Olympiad for Secondary Schools (2013-14) Chemical Test for Caffeine Christian Alliance S C Chan Memorial College Ho Chun Lok ( ) Kwok Man Kit ( ) Chan Kam Tung ( ) Tse Sze Ho ( ) 2 Christian Alliance S C Chan Memorial College/2013-14 Chemistry Olympiad/ Caffeine Contents Abstract .. 3 Objective .. 4 Principle .. 5-7 Solvent Extraction .. 5 Thin Layer Chromatography .. 5 Iodometric Back Titration .. 6 Spike Apparatus and Chemicals .. 8 Experimental Methods and Procedure .. 9-13 Solvent Extraction .. 9 Thin Layer Chromatography.
Caffeine is sparingly soluble in water at room temperature but highly soluble in boiling water (100 °C). ... Shake well and stop until fluffy, cloudy effect. 5. Weight the beaker which is going to hold the filtrate. 6. Filter out the excess calcium sulphate. (Figure c) 7. Put the beaker with filtrate into hot water bath to evaporate
Tags:
Information
Domain:
Source:
Link to this page:
Please notify us if you found a problem with this document: