I agree with Ed - there is no problem in having uranium and moving it
around as long as it is NOT enriched. However, if you are dealing with
enriched material, that implies you already have a license. The problem
then would be that the test site also needs a license. You do need a
license for natural uranium if you are talking about solid material
because the quantities would then be regulated (at least in Canada).

Dr. Otto Herrmann, Ph.D., C.Chem.
Manager, Analytical and Environmental Services Dept.,
Kinectrics Inc.,
800 Kipling Ave., Unit 2, KJ135
Toronto, Ontario, Canada 
M8Z6C4
Phone: 416-207-6262
Fax: 416-207-5550
e-mail: [log in to unmask]


-----Original Message-----
From: PLASMACHEM-L: Analytical Chem.(ICP's, DCP's, MIP's).
[mailto:[log in to unmask]] On Behalf Of Ed McCurdy
Sent: Thursday, September 08, 2011 9:37 AM
To: [log in to unmask]
Subject: Re: PLASMACHEM

Hi Susan

I'm curious to know why you expect this evaluation to be a problem.
Assuming you are looking at ICP-MS (which I would suggest is likely to
be the best technique for this application) I'd be surprised if there is
any ICP-MS vendor demo lab that doesn't have a single element stock
standard at 1000ppm U, which is probably a high enough concentration to
allow you to evaluate trace element determination in the U matrix.
These single element standards are nominally "natural" uranium, but I
think the commercial standards are mostly slightly depleted (although
that won't have any impact on the measurement of most trace elements).

If you want to run a lot of samples you might get through a lot of the
stock standard, but it would be worth enquiring what standard solutions
the instrument vendors have available and what they are prepared to run
for you.  An ICP-MS grade stock standard at 1000ppm U will be somewhat
less than $100 per 100mL (enough for at least 50 samples), so if there's
a problem with vendors not wanting to run their stock solution as a
sample, tell them you'll skip lunch so they can afford to buy a new
standard!

Or do you want to measure the solid U matrix?  Or measure an enriched U
sample?

Best regards

Ed

________________________________________________________________
Ed McCurdy
ICP-MS Product Marketing
Agilent Technologies UK Limited
Phone: +44 (0)1270 878126
VoiceMail: +44 (0)118 927 5373
Fax: +44 (0)161 492 7171
TelNet: 317 5373 (voicemail only) 
E-mail: [mailto:[log in to unmask]] 
Agilent Technologies UK Limited, Registered Office: 610 Wharfedale Road,
IQ Winnersh, Wokingham, Berkshire, RG41 5TP - Registered No. 03809903
P SAVE PAPER - Please do not print this e-mail unless absolutely
necessary
________________________________________________________________



-----Original Message-----
From: PLASMACHEM-L: Analytical Chem.(ICP's, DCP's, MIP's).
[mailto:[log in to unmask]] On Behalf Of Susan Havenga
Sent: 08 September 2011 13:49
To: [log in to unmask]
Subject: PLASMACHEM

Hi

We want to buy an instrument that could do trace elements in uranium. In
order to determine which instrument would be the best we would like to
do some tests on the instruments and then compare them. But it would not
be possible to transport uranium or do some tests with a uranium matrix.
Any suggestions on how to do comparison tests without using uranium and
still get useful information?

Best regards

Susan Havenga

Susan Havenga
Technologist
Tel: 0123054581
Fax:
Cell:
Email: mailto:[log in to unmask]
Website: http://www.necsa.co.za/

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