Analytical Qa Executive Interview Questions and Answers

Lost prime in HPLC refers to the loss of solvent from the pump head due to air bubbles or leaks.

• Lost prime can cause inaccurate results and damage to the column.

• It can be caused by air bubbles in the pump head or leaks in the system.

• Regular maintenance and checking for leaks can prevent lost prime.

• Examples of lost prime symptoms include low pressure, erratic flow rate, and poor peak shape.

• Lost prime can be fixed by priming the pump or replacing damaged parts.

I will review data by ensuring accuracy, completeness, and consistency.

• Check for errors and inconsistencies in the data

• Verify data against established standards and protocols

• Ensure data is complete and all necessary information is included

• Analyze data trends and patterns to identify potential issues

• Document findings and communicate any concerns to relevant parties

An audit trail is a record of all the events that occur during a process or transaction.

• It provides a chronological sequence of events

• It helps in tracking changes made to data

• It ensures accountability and transparency

• It is commonly used in financial and regulatory industries

• Examples include electronic medical records and financial transactions