To alter the retention time, which of the following parameters need not be manipulated? Options: A . &nbspChoice of column B . &nbspChoice of mobile phase C . &nbspChoice in flow rate D . &nbspSample type

To alter the retention time, which of the following parameters need not be manip

Question

To alter the retention time, which of the following parameters need not be manipulated?

Options:

A . Choice of column

B . Choice of mobile phase

C . Choice in flow rate

D . Sample type

Answer: Option D
Answer: (d).Sample type

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Question 1. _____________ can be achieved using HPLC by utilizing the fact that certain compounds have different migration rates giv....different migration rates given a particular column and mobile phase.

Question 2. The process of determining the unknown concentration of a compound in a known solution by using HPLC is referred to as _....known solution by using HPLC is referred to as _______________

Question 3. The gradient separates the analyte mixture as a function of affinity of the analyte for the mobile phase relative to sta....the analyte for the mobile phase relative to stationary phase.

Question 4. In _________ elution, the compounds are eluted by increasing the strength of the organic solvent during HPLC.....

Question 5. In HPLC, the compounds are eluted using a constant mobile phase composition and is referred to as _____________....

Question 6. In which chromatographic technique, the solvent velocity and constant flow rate is controlled?....

Question 7. The chromatography technique in which the stationary phase may be solid or liquid is referred to as ________________....

Question 8. In FPLC, the sample separates into various zones of sample components and is referred to as ________....

Question 9. Which procedure is represented in the following diagram?....

Question 10. What does Z represent in the following diagram?....

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