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  Home > JCE Print > Journal of Chemical Education > Issues > 1995  > July  >
Notes
Avoiding Problems with Suspensions in NMR Sample Tubes
Saqib Ali, M. Danish, and M. Mazhar
Quaid-i-azam University, Islamabad, Pakistan
Cover
July 1995
Vol. 72 No. 7
p. 667
Abstract
Many times during the sample preparation for NMR studies solid samples form suspension due to low solubility in duterated solvents. We developed a technique to get rid of this problem easily. Just tighten the lid on the NMR sample tube and seal it with parafilm. Invert the tube and centrifuge it for five minutes. Now the suspension is collected in the lid and the clear sample is ready for NMR analysis in the tube.
More Information
*  Citation
 Ali, Saqib; Danish, M.; Mazhar, M. J. Chem. Educ. 1995 72 667.
*  Keywords
*  History
 Created:
Last Updated:		 10/1/1999
5/22/2006
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