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The establishment of EVISA is funded by the EU through the Fifth Framework Programme (G7RT- CT- 2002- 05112).

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Jens Boertz
Senior Product Manager Analytical Reagents
Sigma-Aldrich Chemie GmbH, Industriestrasse 25,  9470 Buchs (SG), Switzerland
(+41) 81-7552597
Jens Boertz
  • Bismuth speciation
  • Arsenic speciation
  • Certified reference materials for speciation analysis
  • Certified standards for speciation analysis
  • Stability of elemental species during storage and in analyical workflows

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