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Universal Indicator

Key Stage 3

Meaning

A picture showing some universal indicator paper and a colour chart to show the pH.

Universal Indicator is a mixture of indicators which gives different colours for a range of pH values.

About Universal Indicator

Universal indicator gives a big enough range of colours to find the pH of a solution more easily than other indicators.
Universal indicator can be paper with the dye inside or it can be a solution.
Universal Indicator pH scale.
UniversalIndicatorpHScale.png
Examples of Universal Indicator at different pH values.
UniversalIndicatorSolutions.png

References

AQA

Universal indicator, page 108, GCSE Chemistry, Hodder, AQA
Universal indicator, page 128, GCSE Combined Science; The Revision Guide, CGP, AQA
Universal indicator, page 210, GCSE Combined Science Trilogy 1, Hodder, AQA
Universal indicator, page 348-9, GCSE Biology; Student Book, Collins, AQA
Universal indicator, pages 124, 237, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
Universal indicator, pages 130-1, 148-9, GCSE Chemistry; Student Book, Collins, AQA
Universal indicator, pages 146, 150, 315, GCSE Chemistry, CGP, AQA
Universal indicator, pages 26, 97, GCSE Chemistry; Third Edition, Oxford University Press, AQA
Universal indicator, pages 51, 52, GCSE Chemistry; The Revision Guide, CGP, AQA

Edexcel

Universal indicator, page 52, GCSE Chemistry, Pearson, Edexcel
Universal indicator, pages 118, 120, 186, 211, 323, GCSE Chemistry, CGP, Edexcel
Universal indicator, pages 43, 110, GCSE Chemistry; The Revision Guide, CGP, Edexcel

OCR

Universal indicator, pages 112, 113, 119, Gateway GCSE Chemistry, Oxford, OCR
Universal indicator, pages 112, 220, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR
Universal indicator, pages 43, 103, Gateway GCSE Chemistry; The Revision Guide, CGP, OCR