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Lyophilic Sol (Starch)
Lyophilic means "liquid-loving". The dispersed phase has a strong affinity for the dispersion medium (water).
• Method: Direct Mixing (Boiling)
• Stability: Very High
• Nature: Reversible
Lyophobic Sol (Fe(OH)3)
Lyophobic means "liquid-hating". These require chemical methods to prepare. We use Hydrolysis.
FeCl3 + 3H2O Fe(OH)3 + 3HCl
• Method: Chemical
• Stability: Low (Needs Stabilizer)
• Nature: Irreversible