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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