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This lesson covers instrumental analysis as a method for identifying substances, as required by the AQA GCSE Chemistry specification (8.1.2). This is Higher Tier only content, indicated by [H]. Instrumental methods are used in modern chemistry to identify elements and compounds quickly, accurately, and with very small samples. You need to understand the advantages of instrumental methods over traditional chemical tests and how to interpret data from instrumental analysis.
Instrumental analysis refers to the use of machines (instruments) to analyse and identify substances. These methods have largely replaced traditional "wet" chemical tests in modern laboratories because they offer significant advantages.
Common instrumental methods include:
Exam Tip: You do not need to know the details of every instrumental method listed above. For AQA GCSE, you mainly need to understand the general advantages of instrumental methods and the specific details of flame emission spectroscopy. However, knowing the names of other techniques shows breadth of knowledge.
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