Chemical Process
Penicillin is separated from fermented broth by

Ternery azeotropic distillation
Extractive distillation
Extraction with amyl or butyl acetate
Evaporation in calendria

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Chemical Process
Presence of sodium tripolyphosphate (an additive) in synthetic detergent

Does not allow redeposition of dirt on the cleaned surface
Inhibits its corrosive effects
Facilitates its use even in hard water (by sequestering the water-hardening Ca & Mg ions)
None of these

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