Mobile Phase

Key Stage 4

Meaning

The mobile phase refers to the solvent used in a chromatography experiment.

About the Stationary Phase

During a chromatography experiment chemicals in a sample experience forces of attraction to the chromatography paper and the solvent being used. The mobile phase is caused by the force of attraction to the solvent which acts to move the chemical along the paper.

References

AQA

Mobile phase, pages 268-9, GCSE Chemistry; Student Book, Collins, AQA

Edexcel

Mobile phase, page 152, GCSE Combined Science, Pearson Edexcel

Mobile phase, page 39, GCSE Chemistry; The Revision Guide, CGP, Edexcel

Mobile phase, page 8, GCSE Chemistry, Pearson, Edexcel

Mobile phase, pages 107, 108, GCSE Chemistry, CGP, Edexcel

OCR

Mobile phase in chromatography, pages 46, 47, Gateway GCSE Chemistry, Oxford, OCR

Mobile phase, pages 102, 103, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR

Mobile phase, pages 29, 30, Gateway GCSE Chemistry; The Revision Guide, CGP, OCR