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Comparison and influence of 1011 and 1013 ohm resistors used for MC-ICP-MS determination of isotope ratios in highly enriched silicon

  • Published:2024 Issue:6 Volume:39 Page:1540-1550
  • ISSN:0267-9477
  • Container-title:Journal of Analytical Atomic Spectrometry
  • language:en
  • Short-container-title:J. Anal. At. Spectrom.

Author:

Pramann Axel1ORCID,Rienitz Olaf1ORCID

Affiliation:

1. Physikalisch-Technische Bundesanstalt (PTB), Bundesallee 100, 38116, Braunschweig, Germany

Abstract

Use of high ohmic feedback resistors connected with Faraday cups enables strong reduction of sample size (here: Si crystal slices enriched in 28Si) and proper signal quality while maintaining the measurement uncertainty.

Publisher

Royal Society of Chemistry (RSC)

Reference32 articles.

1. Measurement of small ion beams by thermal ionisation mass spectrometry using new 1013Ohm resistors

2. A.Trinquier , Gain Calibration Protocol for 1013 Ω Resistor Current Amplifiers Using the Certified Neodymium Standard JNdi-1 on the TRITON Plus , Application Note 30285, Thermo Fisher Scientific Inc. , 2014

3. C.Bouman , A.Trinquier , N.Lloyd , J.Schwieters , J.Koornneef and G.Davies , New Design 1013 Ω Amplifiers for Measurement of Small Ion Beam Currents , Application Note 30282, Thermo Fisher Scientific Inc. , 2015

4. Improving Precision and Signal/Noise Ratios for MC-ICP-MS

5. Pb isotope analysis of ng size samples by TIMS equipped with a 1013 Ω resistor using a 207Pb–204Pb double spike
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