Formulation
Key Stage 4
Meaning
A formulation is a mixture which combines the useful properties of several chemicals in the mixture chosen for a particular job.
About Formulations
Some examples of common formulations are:
- Surface Cleaner - Contains bleach to kill bacteria, a fragrance to give it a pleasant smell and a surfactant to emulsify oils.
- Paint - A dye to provide colour and a solvent for it to be spread over a surface.
- Heartburn Relief - A base to neutralise stomach acid, alginic acid to form a layer to protect the lining of the stomach and oesophagus.
References
AQA
- Formulation, page 266-7, GCSE Chemistry; Student Book, Collins, AQA
- Formulations, page 181, GCSE Chemistry; Third Edition, Oxford University Press, AQA
- Formulations, page 199, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
- Formulations, page 204, GCSE Chemistry, Hodder, AQA
- Formulations, page 253, GCSE Chemistry, CGP, AQA
- Formulations, page 86, GCSE Chemistry; The Revision Guide, CGP, AQA
- Formulations, pages 156, GCSE Combined Science Trilogy 2, Hodder, AQA