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PTECH Pharmaceutics II (Industrial & Quality Control) QUESTION #5703
Question 1
In the preparation of a secondary emulsion using the 'Dry Gum Method', what is the primary ratio of Oil:Water:Gum for a fixed oil?
  • $2:2:1$
  • $4:2:1$✔️
  • $3:2:1$
  • $1:1:1$
Correct Answer Explanation
The standard ratio for fixed oils in the dry gum method is 4 parts oil, 2 parts water, and 1 part gum.