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| Some of the chemicals used in this experiment |
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| Apparatus |
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| The other apparatus |
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| Some other apparatus |
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| 21 g Emulsifying wax weighed using a weighing balance |
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| Emulsifying wax heated on a heater |
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| The heated mixture being cooled |
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| The ointment form being cooled to room temperature |
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| The ointment triturated with acetylsalicyclic acid |
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| The process of inserting the ointment into a dialysis bag |
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| The ointment of other groups to be compared |
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| Sample in the kuvette to be tested under UV-visible spectrophotometer |
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| Pipetting the sample from the water bath |
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| The water bath in our lab |
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