Chemistry GCSE
Qualitative identification by comparison with standards
What Qualitative identification by comparison with standards means in Chemistry GCSE, as defined for AQA.
Definition of Qualitative identification by comparison with standards
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Reference: AQA
The observed colour is used to identify an unknown cation by comparison with the known colours, and the test is qualitative and does not measure the amount of the cation.
Topics that use Qualitative identification by comparison with standards
- Flame tests (AQA GCSE)
Related terms
- Characteristic flame colours of metal cations
- Contamination
- Evidence-based identification
- Interference between overlapping test results
- Masked
- Qualitative identification
- Blue glass
- Dominant emission
Using Qualitative identification by comparison with standards in the exam
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