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GeoPT58 Proficiency Testing – Our Results

Our results are in from the GeoPT, a proficiency testing programme for whole rock geoanalytical techniques, organized by the International Association of Geoanalysts (IAG). The GeoPT is one of the most widely recognized quality assurance programmes for geochemical laboratories worldwide.

CRS Laboratories participated in round 58 using lithium borate fusion methods and our new 4-acid ICP-MS method. The outcome was excellent:

  • All reported elements were within acceptable limits
  • The majority of results were rated as excellent (z-scores < 1)

We are proud that the results from the GeoPT58 confirm the robustness of our analytical methods and the high level of competence in our laboratory operations.

Looking for a Reliable Partner for Your Geochemical Analyses?

At CRS Laboratories, participation in programmes such as GeoPT is not a one-time achievement but part of our continuous commitment to quality. We take part in external proficiency testing on a regular basis to obtain independent verification of our analytical accuracy and to benchmark our performance against other laboratories. Regular participation ensures that our methods and results remain reliable, and that clients can trust that reported data meets international quality standards.

Contact our team to learn how our quality-controlled methods can support your project with accurate and dependable results.


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