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Thermo Fisher Scientific

Boron Carryover in iCAP

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Issue

Long time needed for Boron to rinse out of sample introduction system

Environment

  • 61E
  • iCAP 6500 Radial
  • iCAP 6500 Dual
  • iCAP 6300 Radial
  • iCAP 6200 Dual
  • iCAP 6300 Dual
  • INTREPID
  • IRIS
  • TRACE

Resolution

  • Add Triton X-100 to the rinse solution (0.1%). It has been found that this has helped along with increasing the rinse time. 
  • Decrease the concentration of the highest calibration standard and perform dilutions of the samples before analysis.
  • If hydrofluoric acid is used decrease the concentration as much as possible or use another acid if feasible.