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Isolation of the active ingredient in an Analgesic Drug

Essay specific features

 

Issue:

Science

 

Written by:

Mary C

 

Date added:

April 6, 2015

 

Level:

 

Grade:

B

 

No of pages / words:

3 / 753

 

Was viewed:

5353 times

 

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Essay content:

The melting point was (135-142 C) compared to the literature melting point values for acetaminophen (169-171 C) the lower melting point show that their were still impurities in the isolated ingredient. Procedure: The acetaminophen (0.5395g) was crushed and added to a conical vial and was mixed with 2ml of methanol then shaken and let to sit till the undissolved particles settled to the bottom and transferred the liquid into a centrifuge tube using a filter-tip pipet...
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Repeating the process with an additional 2mL of methanol. The solvent was then centrifuged for 3 minutes until the mixture had settled into a supernatant liquid layer and a solid layer. Then in a prepared alumina column with 0.5 mL g of alumina 2mL of methanol was added to column and then the solution containing the drug...
displayed 300 characters

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