Practice problems
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| 1 |
Hydrophilic ointment USP, has the following formula, calculate the quantities required to make 4 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 160 capsules.
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| 3 |
How much of each ingredient is needed to make five
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 1250 ml of the solution?
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Answers
The Answer to question 1 is: Methylparaben 0.45 g, Propylparaben 0.27 g, Sodium lauryl sulfate 18.16 g, Propylene glycol 217.92 g, Stearyl alcohol 454.00 g, White petrolatum 454.00, Purified water, to make 1816.00 g
The Answer to question 2 is: Ketoprofen 2.00 g, Riboflavin 16.00 g, Caffeine 4.80 g, Sodium bicarbonate 32.00 g, Silica gel 400.00 g
The Answer to question 3 is: Hydrocortisone 70.83 grams, Calamine 118.06 grams, Petroleum 236.11 grams
The Answer to question 4 is: 197.95 ml