Micro-analysis of sulfur-isotope ratios and zonation by laser microprobe

@inproceedings{Crowe1990MicroanalysisOS,
  title={Micro-analysis of sulfur-isotope ratios and zonation by laser microprobe},
  author={Douglas E. Crowe and John W. Valley and Kevin L. Baker},
  year={1990}
}
The University of Wisconsin laser microprobe/mass spectrometer system combines high spatial resolution with precise, accurate, and rapid analysis of sulfur-isotope ratios. Spot sizes of 100–200 μm are routine and much higher spatial resolution may be possible. Analytical precision ranges from 1σ = ±0.15%. (pyrite, pyrrhotite, sphalerite) to 1σ = ±0.43%.. (galena, chalcopyrite). Comparison of laser microprobe and conventional combustion analyses indicates that laser δ34S values are approximately… CONTINUE READING

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15.23 – Laser Ablation ICP-MS and Laser Fluorination GS-MS

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