Practice problems
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| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 3.5 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 275 capsules.
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| 3 |
How much of each ingredient is needed to make one
85-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 500 ml of the solution?
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Answers
The Answer to question 1 is: Methylparaben 0.40 g, Propylparaben 0.24 g, Sodium lauryl sulfate 15.89 g, Propylene glycol 190.68 g, Stearyl alcohol 397.25 g, White petrolatum 397.25, Purified water, to make 1589.00 g
The Answer to question 2 is: Ketoprofen 3.44 g, Riboflavin 27.50 g, Caffeine 8.25 g, Sodium bicarbonate 55.00 g, Silica gel 687.50 g
The Answer to question 3 is: Hydrocortisone 14.17 grams, Calamine 23.61 grams, Petroleum 47.22 grams
The Answer to question 4 is: 79.18 ml