November 28, 2024, 04:42:26 PM
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How to get the % purity of urea?

titration method
2 (66.7%)
kjeldahl method
1 (33.3%)

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Topic: method of analysis for urea  (Read 6977 times)

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Offline catherine

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method of analysis for urea
« on: May 03, 2008, 10:48:12 AM »
How can I determine the % purity of urea?  Is kjeldahl nitrogen analysis is the solution?  can you share me the reactions and the method of analysis? thanks in advance....
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Offline gericox

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Re: method of analysis for urea
« Reply #1 on: May 11, 2008, 04:17:24 PM »
There is a method based on the use of urease which decompose urea into ammonia. Ammonium is then titrated. If you are interested let me know.

Eric
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Offline catherine

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Re: method of analysis for urea
« Reply #2 on: May 15, 2008, 09:59:20 AM »
Quote from: gericox on May 11, 2008, 04:17:24 PM
There is a method based on the use of urease which decompose urea into ammonia. Ammonium is then titrated. If you are interested let me know.

Eric

YES, i'M VERY much interested.  I need to determine the % purity of an acrylamide 98% purity and 50% solution in water. thank you very much....

Cath
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Offline gericox

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Re: method of analysis for urea
« Reply #3 on: May 16, 2008, 05:33:38 AM »
I send you it by email

Eric
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