Ultra high precision measurements of 143Nd/144Nd using Xact amplifiers and 1e11 ohm gain resistors

Posted on 23rd October, 2012

The ability to achieve sub 5ppm precision for 143Nd/144Nd is seen as a benchmark for any TIMS system. Such high precision can only be achieved if the mass fractionation correction is accurate and the integrated noise on the detectors is extremely low. In practice Phoenix TIMS systems undergoing factory testing...

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Potential for 90Sr measurement on the Phoenix TIMS

Posted on 9th October, 2012

90Sr is a fission product of uranium and plutonium and is expected to be released in a high quantity in a nuclear accident. Sr easily substitutes for Ca and accumulates in bone hence exposure to radioactive Sr represents a significant cancer risk. Additionally, the relatively long half life of 90Sr...

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Xact Amplifier Presentation now on the Website

Posted on 5th September, 2012

Zenon Palacz, Isotopx Managing Director, gave a presentation on the new Xact amplifiers within the session on ‘Advances in isotope chemistry and geochronology’ at 34th IGC, Brisbane. The presentation, entitled ‘High precision isotope ratio measurements of Sr and Nd at the nanogram level using the Phoenix TIMS with next generation Faraday detectors‘,...

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Selected Publications Update

Posted on 30th August, 2012

We like to keep an eye open for journal publications where Isotopx instruments (Phoenix and Isoprobe as well as their direct predecessor the VG Sector 54) have been used so that we can provide an up to date bibliography to our users or to other interested parties. A list of...

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Comparison of Xact 1e11Ω and 1e12Ω (1TΩ) Faraday Amplifiers

Posted on 1st August, 2012

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