Practice problems
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| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 1 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 260 capsules.
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| 3 |
How much of each ingredient is needed to make one
30-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 0.11 g, Propylparaben 0.07 g, Sodium lauryl sulfate 4.54 g, Propylene glycol 54.48 g, Stearyl alcohol 113.50 g, White petrolatum 113.50, Purified water, to make 454.00 g
The Answer to question 2 is: Ketoprofen 3.25 g, Riboflavin 26.00 g, Caffeine 7.80 g, Sodium bicarbonate 52.00 g, Silica gel 650.00 g
The Answer to question 3 is: Hydrocortisone 5.00 grams, Calamine 8.33 grams, Petroleum 16.67 grams
The Answer to question 4 is: 158.36 ml