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High precision isotope ratio measurements of Sr and Nd at the nanogram level using the Phoenix TIMS with next generation Faraday detectors
Zenon Palacz What are the parameters required for high precision measurements of small samples? (on Faraday collectors) High Sensitivity Instrument sensitivity Use of activators Low noise Close to theoretical Johnson noise Baseline stability Gain stability between detectors Required for static analyses Multidynamic measurements: Eliminates gain and efficiencies But can it be used on small samples?…
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Phoenix Site Planning Guide
The purpose of this site planning guide is to provide users with specific information regarding the instrument requirements to allow adequate site preparation. This site planning guide will enable our users to prepare their laboratory with the necessary services and minimise any possible delays. The Phoenix TIMS is a high precision electronic instrument whose performance…
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Information Security management relating to the design, manufacture, testing, installation and commissioning of thermal ionization mass spectrometer
View the certificate here: 00028323 ICT ENGUS UKAS Certificate
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Design, manufacture, installation, commissioning and servicing of mass spectrometers and associated equipment and products certificate.
View the certificate here: 00009378 QMS ENGUS UKAS Certificate
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Selected Bibliography of Peer-reviewed Publications
This bibliography provides a list of selected recent publications in which Isotopx TIMS instruments were used to generate analytical data. The first revision of the Isotopx bibliography was released in April 2012 and proved extremely popular with over 100 website downloads (it was the second most popular download after the Phoenix brochure). Of course, literature…
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Abundance Sensitivity of the Phoenix and Phoenix X62 TIMS
Zenon Palacz, IsotopX Ltd, Middlewich, Cheshire, UK. Introduction Abundance sensitivity is a measure of the contribution of the peak ‘tail’ of a major isotope on an adjacent minor isotope. The tailing is due to the collision of ions with residual gas molecules in the mass spectrometer causing a loss of ion energy. This is manifest…
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Evaluation of the stability of multiple ion counting detectors on Phoenix TIMS
Zenon Palacz, Isotopx Ltd, Middlewich, Cheshire, UK Introduction For the measurement of isotope ratios in nanogram to picogram sized samples of uranium and plutonium, an ion counting detector is used. However, when measuring a series of isotopes, any individual isotope may only be detected for a fraction of an individual analysis cycle. This will reduce…
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Measurement of 2ng Nd (NdO+) using Xact Faraday collectors on a Phoenix TIMS equipped with 1e11 Ω and 1T Ω resistors.
Zenon Palacz, Davydd Wanless, Ian Turner & Tony Jones. Isotopx Ltd. UK Introduction We have shown that very small ion beams of Nd+ (5 to 50mv) can be measured accurately and precisely using the Phoenix TIMS equipped with either 1e11 Ω or 1T Ω resistors1 . For small sample sizes measurement of Nd as Nd+…