dissolve about 120 mg of acetaminophen,accurately weighed,in 10 ml of methanol in a 500 ml volumetric flask,dilute with water to volume,and mix.transfer 5.0 ml of this solution to a 100 ml volumetric flask,dilute with to volume,and mix.concomitantly determine the absorbances of this solution and of a standard solution of USP Acetamenophen RS,in the same medium,at a concentration of about 12 ug per ml in 1-cm cells,at the wavelength of maximum absorbance at about 244 nm, with a suitable spectrophotomrter, using water as the blank.calculate the quantity, in mg. of c8h9no2
in the acetaminophen taken by the formula.
dissolve about 120 mg of acetaminophen,accurately weighed,in 10 ml of methanol in a 500 ml volumetric flask,dilute with water to volume,and mix.transfer 5.0 ml of this solution to a 100 ml volumetric flask,dilute with to volume,and mix.concomitantly determine the absorbances of this solution and of a standard solution of USP Acetamenophen RS,in the same medium,at a concentration of about 12 ug per ml in 1-cm cells,at the wavelength of maximum absorbance at about 244 nm, with a suitable spectrophotomrter, using water as the blank.calculate the quantity, in mg. of c8h9no2 in the acetaminophen taken by the formula.
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