Talk:Ammonia (data page)

UV-Vis spectrum of ammonia
Since ammonia has no chromophore, I expect that it would have no absorption in the UV-Visible region of the spectrum. I put down "None" for both the Lambda-max and extinction coefficient in the Table, although I admit I have not seen a UV-Vis spectrum of ammonia. I have not found any information on the net about this, probably because there is nothing to say about such absorptions. Does anybody know this empirically? H Padleckas 06:39, 4 November 2005 (UTC)
 * I expect any absorption is in the vacuum UV as for alkanes, with &lambda;max at somewhere around 200 nm. I don't have any reference though. Physchim62 (talk&middot;RfA) 08:37, 4 November 2005 (UTC)
 * Admittedly, I forgot about the vacuum UV region, since I practically never did spectra in a vacuum in that region. H Padleckas 10:02, 4 November 2005 (UTC)

van der Waals' and heat and entropy of fusion (and entropy of vaporization) added by me (log indicates anonymous contribution, but that's because wiki had logged me out). Karlhahn 03:38, 5 October 2006 (UTC)

CHERIC data
CHERIC is really an impressive source of data, esp. for polynomial approximation data, but it seems to be lacking any information about the validity range of the expressions, and their accuracy?

Any idea, what we are talking about, for the data on this page?

I ask, because the gas heat capacity data seems to be at least one percent off the tabulated data (although the conditions of that datapoint is not specified - I'm assuming std. conditions).

It's also a few percent different from i.e. the data given on http://www.engineeringtoolbox.com/ammonia-d_971.html (37 J/mol*K at 15deg.C, where the CHERIC formula evaluates to 35,54). Tøpholm (talk) 20:46, 7 December 2010 (UTC)

Merge onto Ammonia
I think we should merge this onto Ammonia 76.124.224.179 (talk) 13:29, 3 August 2012 (UTC)

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