Sampling and Sample Preparation


Instructor: Mark Powell
Product ID: 706285
Training Level: Intermediate

  • Duration: 60 Min
Sampling and sample preparation are both potential sources of variability and bias in analytical chemistry. The purpose of this webinar is to describe a scientifically-sound approach to sampling different types of analytical matrix (including liquids, gases and solids such as powder blends and tablets) and to describe the options available for sample extraction, clean-up and pre-concentration. The webinar would be useful for scientists developing analytical methods or writing sampling plans.
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Why Should You Attend:

Industry regulators and quality assessors will expect to see evidence of sound approaches to sampling and sample preparation in order to ensure good method robustness. This webinar provides the necessary theoretical knowledge to enable these expectations to be met.

Sampling and sample preparation between them often account for the largest proportion of analytical error in chemical measurements. The aim of this webinar is to remind analytical scientists of the importance of these steps in the analytical process and to set out scientifically-sound practical options to minimize result variability. The contents of the webinar will be especially useful for those working to GMP or a metrological quality standard such as ISO 17025. The aim of the webinar is to help scientists design better sampling and sample preparation strategies.

Areas Covered in the Webinar:

  • Sampling
    • Why sampling matters
    • Sampling plan
    • Choice of container
    • Overview of sampling methods for different sample types
  • Sample preparation
    • Sample preparation as a source of analytical error
    • Matrix effects on method robustness
    • Overview of sample preparation techniques
    • Options for selective extraction and preconcentration
    • Sample filtration – choice of filter membrane
    • Sample stability

Who Will Benefit:

  • Quality control scientists
  • Method development chemists
  • Quality assurance professionals
  • Laboratory management
  • Process development/production personnel

Free Materials:

  • Links to free web-based resources
Instructor Profile:
Mark Powell

Mark Powell
Director, Mark Powell Scientific Limited

Dr Mark Powell a Fellow of the Royal Society of Chemistry (RSC) with over thirty years’ experience as a senior analytical chemist. Mark was Honorary Treasurer of the RSC’s Analytical Division and led a working group on continuing professional development until July 2016. He has worked at a senior level in a number of companies with responsibility for method development and equipment qualification. In 2010 Mark was appointed Scientific Manager of a UK-based pharmaceutical CRO, with responsibility for guiding the direction of drug development programs as well as establishing collaborations with academia and instrument manufacturers. His work resulted in a number of published papers and presentations at international scientific conferences. In 2013, he set up his own company to provide training and consultancy services to pharmaceutical professionals. His consultancy work has involved, amongst other things, managing the analytical aspects of pharmaceutical development programs and conducting data integrity audits. He is in demand as a trainer in topics such as chromatography, spectroscopy, pharmaceutical dissolution testing, data integrity, control of impurities, technical writing, stability/stress studies and sample preparation.

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