Why there is no water peak

Back by popular demand. Popular implying that someone mention PXRD to me and demand being erm well there was a post in the open house area on a PXRD related issue.
yokone
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Why there is no water peak

Post by yokone » 09 Jul 2014, 18:26

Hi,
Why there is no water xrd peak though there is water infrared peak.

Thanks

Rudi
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Re: Why there is no water peak

Post by Rudi » 09 Jul 2014, 19:04

What do you mean exactly? Co-crystallised solvent water molecules or water impurity (moisture)?

yokone
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Re: Why there is no water peak

Post by yokone » 10 Jul 2014, 10:04

It's destilled water drop on a sample.

Rudi
Synchrotron
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Joined: 12 Dec 2008, 15:56
Location: Saxony

Re: Why there is no water peak

Post by Rudi » 10 Jul 2014, 12:38

Well, the water is not crystalline and, thus, does not give rise to Bragg reflections in a PXRD experiment.

yokone
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Re: Why there is no water peak

Post by yokone » 10 Jul 2014, 17:08

OK. Thnks

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