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Stable Isotope Geochemistry

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Subject:
From:
J T Hill <[log in to unmask]>
Reply To:
Stable Isotope Geochemistry <[log in to unmask]>
Date:
Wed, 24 Nov 2004 11:57:25 +0000
Content-Type:
text/plain
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Hello

Does anyone have a source for cheaper spares for the vacuum valves on the
Kiel with MAT253 device than Thermo charge?  We have had to replace stamps
on several of our valves, and need gold stamps and gaskets.

Alternatively we do have facilities for making these parts, but we're not
sure of the original gauge of the wire used in the seals.  Also, what gold
purity (99.999%)? is required for the stamps and seals.

Hoping someone has already been through this and can suggest suppliers.

Yours,

John Hill


John Hill
Mass Spectrometry Facility
University College London
Chemistry Department
20 Gordon St.
London
WC1H 0AJ

Tel:  020 7679 4605
Fax: 020 7679 7451
Mobile: 07956 924058

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