Instrumental Methods (AQA GCSE Chemistry)

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Advantages of instrumental methods

  • Advancements in technology and computing have allowed for the development of instruments designed to analyse chemical substances
  • Methods of analysis include X-ray, Infra-Red and Mass Spectroscopy, Gas Chromatography and Flame Photometry
  • These analytical techniques require modern day instruments which are a vital part of chemistry laboratories
  • The advantage of using these instruments over more traditional methods include:
    • They provide greater accuracy
    • They are faster and easier to use
    • They are more sensitive than non-instrumental methods

Examiner Tip

You need to be able to state the advantages of instrumental analysis over chemical testing in terms of sensitivity, speed and accuracy.

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Stewart

Author: Stewart

Expertise: Chemistry Lead

Stewart has been an enthusiastic GCSE, IGCSE, A Level and IB teacher for more than 30 years in the UK as well as overseas, and has also been an examiner for IB and A Level. As a long-standing Head of Science, Stewart brings a wealth of experience to creating Exam Questions and revision materials for Save My Exams. Stewart specialises in Chemistry, but has also taught Physics and Environmental Systems and Societies.