Hello everyone, dear Isogeochemists.
End of November I already bothered you asking for some supplier name of CO
isotopically known, for delta18O and, if possible, for delta13C.
Dr. Robert van Geldern, from Hannover, very kindly indicated me the names of
two persons at Messer/Airliquide, supposed to be the experts of IsoTop
gases (Mr Wolfgang Zwanzig and Miss Antje Pfeuffer).
I tried to contact them, I tried also to contact a generic info@ email from
the Messer/Airliquide website, but no one replied me.
The Italian seller of Messer neither had any reply from the German mother
headquarter.
So, does anyone know more about these products, whether they're discontinued
or whatever?
In general I would say that Airliquide service has worsened in the last 3-4
years, at least in Italy. I hope this illness wont propagate to Messer!
Thank you a lot for any advice,
Giovanni Calderone
----------------------------------
Giovanni Calderone, PhD
EC-Joint Research Centre
Institute for Health & Consumer Protection Physical and Chemical Exposure
Unit - BEVABS
TP740 via Fermi, 2 21020 ISPRA Italy
Tel. Off.: +(39) 0332 78 5668
Tel. Lab.: +(39) 0332 78 5258
Fax: +(39) 0332 78 9303
http://ihcp.jrc.it/
http://hosting.jrc.cec.eu.int/pce/
e-mail: [log in to unmask]
-----Original Message-----
From: Giovanni Calderone [mailto:[log in to unmask]]
Sent: marted́ 22 novembre 2005 18:59
To: 'Stable Isotope Geochemistry'
Subject: Isotopically known CO: suppliers
Dear all,
I'm having very big problems in finding suppliers of CO with d18O and d13C
determined, in small cylinders (1L) to use in dual inlet systems.
Some of the suppliers cannot send over-ocean (OzTech in USA nor from
Mexico). Others apparently don't have the gas anymore in catalogue (Messer
Grisheim, in Italy at least: Messer Germany did not yet reply me).
So: anyone could help me?
Thank you!!
----------------------------------
Giovanni Calderone, PhD
EC-Joint Research Centre
Institute for Health & Consumer Protection Physical and Chemical Exposure
Unit - BEVABS
TP740 via Fermi, 2 21020 ISPRA Italy
Tel. Off.: +(39) 0332 78 5668
Tel. Lab.: +(39) 0332 78 5258
Fax: +(39) 0332 78 9303
http://ihcp.jrc.it/
http://hosting.jrc.cec.eu.int/pce/
e-mail: [log in to unmask]
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