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| Date: | Mon, 2 Feb 2009 14:13:39 -0800 |
| Content-Type: | text/plain |
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Everyone,
I realized I had replied on a Re: of "oops" which may be overlooked by
some. William was good enough to put in the his round Robin results
below. Gerry had the excellent idea of where to post results, any other
suggestions?
Paul Brooks.
HI All--
They can be posted on the isogeochem wiki: http://isogeochem.wikispaces.com/
take care
gerry
stableisotopes wrote:
> William,
>
> Thanks for posting this.
> It seems that there are quite a few unpublished round robin's out
there. Would it be possible to get them all on one web page, possibly
posted on a web page on Isogeochem for example? What do other think?
>
> Paul Brooks.
William Mark wrote:
>
> Oops.... Sorry - I had the % columns swapped around (thanks Doug).
>
> *Lab Consensus*
>
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> *Isotope Results*
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> *NIST ID*
>
> d15N
>
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> d13C
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>
> Number
>
>
>
>
> AVG
>
> STDEV
>
> AVG
>
> STDEV
>
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>
> of Labs
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> Bovine Liver 1577b
>
> 7.65
>
> 0.25
>
> -21.59
>
> 0.25
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>
>
> 10
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>
> Peach Leaves 1547
>
> 1.98
>
> 0.27
>
> -26.03
>
> 0.16
>
>
>
> 10
>
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>
> Coal (Subbit.) 2682a
>
> 2.24
>
> 0.37
>
> -24.37
>
> 0.26
>
>
>
> 8
>
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> Coal (Bit.) 2685a
>
> 2.59
>
> 0.52
>
> -23.82
>
> 0.30
>
>
>
> 8
>
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>
> Buffalo River Sed. 2704
>
> 3.86
>
> 0.34
>
> -19.86
>
> 0.16
>
>
>
> 10
>
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>
> 'n' varied greatly from Lab to Lab but all material averages had > 50
> data points
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> *Elemental Composition*
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> *NIST ID*
>
> %N
>
>
>
> %C
>
>
>
>
>
> Number
>
>
>
>
> AVG
>
> STDEV
>
> AVG
>
> STDEV
>
>
>
> of Labs
>
>
>
>
>
>
>
>
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>
> Bovine Liver 1577b
>
> 10.19
>
> 0.16
>
> 49.13
>
> 1.02
>
>
>
> 7
>
>
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>
> Peach Leaves 1547
>
> 2.82
>
> 0.12
>
> 46.01
>
> 1.15
>
>
>
> 7
>
>
>
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>
> Coal (Subbit.) 2682a
>
> 0.98
>
> 0.06
>
> 61.55
>
> 2.56
>
>
>
> 5 *
>
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> Coal (Bit.) 2685a
>
> 1.07
>
> 0.10
>
> 63.28
>
> 2.25
>
>
>
> 5
>
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> Buffalo River Sed. 2704
>
> 0.20
>
> 0.01
>
> 3.50
>
> 0.25
>
>
>
> 7
>
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>
> 'n' varied greatly from Lab to Lab but all material averages had > 50
> data points (except *)
>
>
>
>
> Cheers,
>
>
>
>
>
>
>
> Bill Mark
> Isotope Technician
> Environmental Isotope Lab
> University of Waterloo
> Phone (519)-888-4567 Ext 36747
> FAX (519)-746-7484
> _http://www.uweilab.ca/_
>
>
--
Mr. Paul D. Brooks,
Dept. Integrative Biology MC3140,
3060 Valley Life Sciences Building,
UC Berkeley, 94720-3140.
[log in to unmask]
phone (510)643-1748
FAX (510)643-1749
http://ib.berkeley.edu/groups/biogeochemistry/
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