Quality Control Associate Interview Questions and Answers

Troubleshooting for HPLC and GC involves identifying and resolving issues with the equipment and analysis results.

• Check for leaks in the system

• Verify the column is properly installed and conditioned

• Ensure the mobile phase is properly prepared and degassed

• Check for air bubbles in the system

• Verify the detector is functioning properly

• Review the method parameters and adjust as necessary

Gram staining is a technique used to differentiate bacteria into two major groups: Gram-positive and Gram-negative.

• Gram staining involves a series of steps including fixation, crystal violet staining, iodine treatment, decolorization, and counterstaining with safranin.

• Gram-positive bacteria retain the crystal violet stain and appear purple under a microscope, while Gram-negative bacteria do not retain the stain and appear pink or red.

• This staining technique is widely used in ...read more

Microbiology is the study of microorganisms such as bacteria, viruses, fungi, and parasites.

• It involves the study of the structure, function, and behavior of microorganisms.

• It includes the study of their interactions with humans, animals, and the environment.

• Microbiology is used in various fields such as medicine, agriculture, food industry, and environmental science.

• Examples of microbiological techniques include culturing, staining, and microscopy.

• Microbiology plays a crucia...read more