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5 ????Methanol and ethanol are separated in a capillary GC column with retention times of 370 s and385 s, respectively. An unretained (spike) butane peak occurs at 10.0 s. Calculate the separationfactor.373.221.040.782.51
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SOLVED: Q 4(c) [40 Marks] Retention factors for three compounds separated on a nonpolar C8 column were obtained with a methanollbuffer mobile phase at three different pH's with results shown in Table 2 Explain the elution order and retention data observed.Table 2: Retention factors for separation of analytes acetophenone, salicyclic acid and nicotine at pH 3,pH 5 andpH 7. Analyte pH 3 PH 5 PH Z Acetophenone 4.21 4.28 4.37 Salicylic acid 2.97 0.65 0.62 Nicotine 0.00 0.13 3.11OHCH3OH salicylic ac
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