2. A standard solution containing 25.0 ppm acetone, 10.0 ppm acetoacetic acid and 20.0 ppm B-hydroxybutyric acid was inj
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2. A standard solution containing 25.0 ppm acetone, 10.0 ppm acetoacetic acid and 20.0 ppm B-hydroxybutyric acid was inj
2. A standard solution containing 25.0 ppm acetone, 10.0 ppm acetoacetic acid and 20.0 ppm B-hydroxybutyric acid was injected into an HPLC and the following results were obtained. Compound Acetone Acetoacetic acid B-hydroxybutyric acid Integrator Area Counts 375010 85160 125038 An unknown containing these three compounds was injected and analyzed to give the following results. = Compound Integrator Area Counts Acetone 308467 Acetoacetic acid 112311 B-hydroxybutyric acid 124010 Using the ESTD method, calculate the unknown component concentrations in ppm.
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