Practice problems
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| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 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 75 capsules.
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| 3 |
How much of each ingredient is needed to make three
75-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 1000 ml of the solution?
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Answers
The Answer to question 1 is: Methylparaben 0.57 g, Propylparaben 0.34 g, Sodium lauryl sulfate 22.70 g, Propylene glycol 272.40 g, Stearyl alcohol 567.50 g, White petrolatum 567.50, Purified water, to make 2270.00 g
The Answer to question 2 is: Ketoprofen 0.94 g, Riboflavin 7.50 g, Caffeine 2.25 g, Sodium bicarbonate 15.00 g, Silica gel 187.50 g
The Answer to question 3 is: Hydrocortisone 37.50 grams, Calamine 62.50 grams, Petroleum 125.00 grams
The Answer to question 4 is: 158.36 ml