9. Which of the following solvents is used in normal phase elution in HPLC? a) Ethanol: Water b) Hexane c) Acetonitrile CH;CN d) Methanol 11. Analyte that are extremely Hydrophobic (or) incompatible with water, a mobile phase that contains no water is used. The separation is termed as : a. Reversed phase chromatography b. Normal phase chromatography c. Non- aqueous Reversed phase chromatography d. Aqueous Normal phase chromatography

9. Which of the following solvents is used in normal phase elution in HPLC? a) Ethanol: Water b) Hexane c) Acetonitrile CH;CN d) Methanol 11. Analyte that are extremely Hydrophobic (or) incompatible with water, a mobile phase that contains no water is used. The separation is termed as : a. Reversed phase chromatography b. Normal phase chromatography c. Non- aqueous Reversed phase chromatography d. Aqueous Normal phase chromatography

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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