Pfizer Quality Assurance/Quality Control Manager Interview Questions and Answers

HPLC stands for High Performance Liquid Chromatography. It is a technique used to separate, identify, and quantify components in a mixture.

• HPLC is a powerful analytical technique used in various industries such as pharmaceuticals, food and beverage, environmental analysis, and forensic science.

• It involves the separation of components in a liquid mixture using a stationary phase and a mobile phase.

• The stationary phase i...read more

There are several types of columns used in various fields, such as construction, chemistry, and data analysis.

• In construction, columns can be classified as steel columns, concrete columns, or wooden columns.

• In chemistry, columns are used in chromatography techniques, such as gas chromatography and liquid chromatography.

• In data analysis, columns refer to the vertical sections of a table or spreadsheet, containing specif

When OOS results are obtained, they need to be processed further to determine the cause and take appropriate actions.

• Investigate the root cause of the OOS result

• Review the testing procedures and equipment used

• Check for any potential errors or deviations

• Perform retesting or additional testing if necessary

• Document all findings and actions taken

• Notify relevant stakeholders and management

• Implement corrective actions to pre

DR stands for Defect Removal and DT stands for Defect Tracking.

• DR refers to the process of identifying and removing defects from a product or system.

• DT refers to the process of recording and tracking defects throughout their lifecycle.

• DR focuses on preventing defects from reaching the customer.

• DT focuses on managing and resolving defects that have been identified.

• DR involves activities like inspections, reviews, and te...read more

Heavy metal is a type of dense metal with high atomic weight. It has various industrial and medical applications.

• Heavy metals are used in industries such as construction, electronics, and transportation.

• They are also used in medical treatments such as chemotherapy and radiation therapy.

• However, heavy metals can be toxic and harmful to human health if not handled properly.

• Examples of heavy metals include lead, mercury,

UV-Vis spectroscopy measures absorption of light in the visible and ultraviolet range, while IR spectroscopy measures absorption of light in the infrared range.

• UV-Vis spectroscopy is used to determine the concentration of a sample, while IR spectroscopy is used to identify functional groups in a molecule.

• UV-Vis spectroscopy uses a UV-Vis spectrophotometer, while IR spectroscopy uses an IR spectrophotometer.

• UV-Vis spect...read more