Basic Laboratory Skills


Instructor: Mark Powell
Product ID: 706286
Training Level: Basic

  • Duration: 60 Min
Accurate measurement of weight and correct use of volumetric apparatus are prerequisites for valid analytical measurement. This webinar covers the quality-critical aspects of both. It is intended for new starters in industrial analytical laboratories or for other staff who would benefit from refresher training.
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Why Should You Attend:

Competence in weighing and volumetric operations is essential for those undertaking chemical analysis.

Volumetric apparatus and laboratory balances, regardless of calibration, will only deliver accurate weights and volumes if used correctly. This webinar is designed to remind chemical analysts of best practice in the use of balances, volumetric flasks, burettes and pipettes (glass bulb pipettes and transfer pipettes). The error associated with different weight and volume measurements will be discussed, so that an estimate of the likely variability introduced by a particular weighing or pipetting operation can be assessed.

Areas Covered in the Webinar:

  • Weighing
    • Minimum weights according to balance type
    • Balance set-up checks
    • Cleaning
    • Weighing by difference vs. tare weighing
    • Weighing volatile liquids and solids prone to static charge
    • Common errors in use
  • Volumetric apparatus
    • Titrations – choice of burette
    • Magnitude of error for different pipette/flask volumes
    • Glass bulb pipettes vs. transfer pipettes
    • Common errors in use

Who Will Benefit:

  • Analytical scientists and technicians
  • Personnel responsible for staff training
  • Laboratory management
  • Quality assurance professionals

Free Materials:

  • Links to web-based videos demonstrating best practice
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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