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April 23rd-27th, 2023.  DoubleTree Hotel, Pointe-Claire, Montreal, Quebec.

Canadian Mineral Analysts Conference

Conférence canadienne des analystes de minéraux

University of Ottawa

Workshop 2:   Calibration for Analytical Measurements

Presenter:  Dr. Nimal DeSilva

  • Faculty Scientist/Manager, Geochemistry Core-Facility,
  • Advanced Research Complex, University of Ottawa,
  • Ontario, Canada K1N 6N5

Date / Time:  Tuesday, April 25, 2023. / 9:00 am - 12:00 pm

Course Length: ½ day

Course Description:

  • Overview of Basic Statistics
  • Types and Propagation of Errors
  • Signal Noise, Uncertainty and Dynamic Range
  • Linear and Non-linear Regression for Calibration
  • Weighted versus Un-Weighted Regression
  • Optimum selection of Calibration Range and Standard Intervals
  • Gravimetric versus Volumetric standards, and their Preparation
  • Real World: Non-Linearity, Matrix effects, Blanks, Signal Drift
  • Remedies: Standard Addition, Internal Standards, Drift Correction, Non-linear Calibration, Use of multiple responses
  • Use and Misuse of Dynamic Range
  • Evaluation and Visualization of Calibrations and Data from Large Data sets using EXCEL

    Although the material discussed is universally applicable, examples will be taken mainly from ICP-ES, ICP-MS and Chromatography.