Essential Chemistry for IGCSE - Particles And Purification (Section 8 - No. 49)
What is essential for a successful recrystallization process?
Choosing a solvent in which the substance is soluble at room temperature
Choosing a solvent in which the desired substance has a high solubility at elevated temperatures and low solubility at room temperature.
Slowly cooling the solution to allow crystal growth.
Adding excess solvent to the solution
Explanation
Recrystallization is about solubility differences based on temperature and controlled cooling.
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