Page 22 - Practical DF2 Corrected (2)

Pharm D Clinical Pharmacy program 2024-2025 Level 2, Semester 2 Pharmaceutical Dosage Forms II (PT 405)

Problems

Problem 1:

Rx/

Purified water 96 g

Borax ?g

Olive oil 200 g

White beeswax 50 g

White soft paraffin 50 g

Knowing that:

- Molecular weight of borax (Na2B4O7.10 H2O) = 381.43 g/mol

- Molecular weight of potassium hydroxide (KOH) = 6.11 g/mol

- Molecular weight of sodium hydroxide (NaOH) = 40 g/mol

- Acid value of olive oil = 2

- Acid value of white beeswax = 20

- Calculate the amount of borax required to prepare 100 g of the above
preparation

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