Items Tagged Thermal ionization mass spectrometry

Technical Note 2102 – Ultra Low Noise and Baseline Drift Zeptona Faraday Detector

Posted on 11th August, 2021

The recently developed Isotopx ATONA®  Faraday amplifier represents the benchmark in ion beam signal measurement using Faraday collectors. A further advance; the Zeptona detector system is presented in this technical note. The Zeptona system comprises a custom designed single Faraday detector mounted behind the main multicollector of the Phoenix TIMS,...

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Ultra Low Noise Multiple Isotopx Ion Counting (IIC) and Faraday Detectors on Phoenix TIMS

Posted on 23rd July, 2021

When measuring very small ion signals (<10,000cps), in sub picogram samples of actinides, ion counting detectors are necessary due to their low noise compared to that of a Faraday detector. Ion counters however, still have a non-zero noise associated with them, known as the dark noise, which is typically several...

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Goldschmidt 2020 talk – ZEPTONA

Posted on 4th June, 2020

We will be announcing the release of our new TIMS rear faraday detector, ZEPTONA, at vitual Goldschmidt this year, in addition to releasing some prelimimnary data. Bridging the gap between Faraday cup and ion counting measurements – A Faraday detector with the equivalent noise performance of a 1014 Ω resistor...

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Isotopic analysis of sub-nanogram Nd standards using new ATONA® amplifiers

Posted on 14th January, 2020

New data from Los Alamos National Laboratory demonstrates the Phoenix TIMS ATONA® ability to precisely measure small ion beams with 10ng to 100pg loads of JNdi. This work looks at how to get the most out of ATONA® in addition to highlighting how unstable ion beams do not appear to...

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U-Pb TIMS geochronology using ATONA® amplifiers

Posted on 14th January, 2020

A recent evaluation of Princeton Universities newest Phoenix TIMS ATONA® by Dawid and Blair. The poster highlights the advantages of ATONA®, the best ways to use it and how to optimise it for Pb and U analysis methods.  U-Pb TIMS geochronology using ATONA® amplifiers – D, Szymanowski and B, Schoene For...

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