Practice problems
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| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 10.5 lb of hydrophilic ointment.
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| 2 |
For the following formula for 100 capsules, calculate the quantity of each ingredient needed to prepare 45 capsules.
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| 3 |
How much of each ingredient is needed to make eight
20-g tube of the ointment?
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| 4 |
Based on the formula below, how many milliliters of glycerin (specific gravity 1.263) is required to make 1250 ml of the solution?
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Answers
The Answer to question 1 is: Methylparaben 1.19 g, Propylparaben 0.72 g, Sodium lauryl sulfate 47.67 g, Propylene glycol 572.04 g, Stearyl alcohol 1191.75 g, White petrolatum 1191.75, Purified water, to make 4767.00 g
The Answer to question 2 is: Ketoprofen 0.56 g, Riboflavin 4.50 g, Caffeine 1.35 g, Sodium bicarbonate 9.00 g, Silica gel 112.50 g
The Answer to question 3 is: Hydrocortisone 26.67 grams, Calamine 44.44 grams, Petroleum 88.89 grams
The Answer to question 4 is: 197.95 ml