Which of the following is not a disadvantage of Pneumatic pumps used in liquid chromatography?
A. Pulsed output
B. Dependent on solvent viscosity
C. Dependent on back pressure
D. Inconvenient for solvent gradient elution
Answer:A
Which of the following is not a disadvantage of Pneumatic pumps used in liquid chromatography?
A. Pulsed output B. Dependent on solvent viscosity C. Dependent on back pressure D. Inconvenient for solvent gradient elution
Explanation: Pneumatic pumps provide pulse free output. They are inexpensive.