Recent content by ChemiePham

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    Calculating %Assay for HPLC Stability Study

    I am running a stability study and have assayed by HPLC my t=0 timepoint. I only have the range of concentrations for the formulations...how do I go about calculating the %assay for the active and degradants? I ran a standard during the run and have calculated the concentration by based on...
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    Prepare a 100mg/ml solution of glacial acetic acid in methanol

    OK, so let me see if I understand you correctly. Because my acetic acid is a liquid, I would weigh out (on a scale) 100 mg of acetic acid into a volumetric flask and then dilute to 1 ml with methanol. Is this correct? And if I had to prepare 10 ml having a concentration of 100 mg/ml, I...
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    Prepare a 100mg/ml solution of glacial acetic acid in methanol

    How to prepare a 100mg/ml solution of glacial acetic acid in methanol? The density of glacial acetic acid is 1.05 g/cm^3.