by Dr. Yashashwini Reddy | Apr 19, 2025
1. What is OOS in the pharmaceutical industry? OOS stands for “Out of Specification.” It refers to test results that fall outside the predefined acceptance criteria set by regulatory authorities or internal specifications. Interviewers want to ensure you...
by Dr. Yashashwini Reddy | Apr 19, 2025
1. What is an analytical balance, and how does it work? An analytical balance is a highly sensitive laboratory instrument used to measure mass with extreme precision, typically to the nearest 0.1 mg. It works by comparing the sample’s mass with known reference...
by Dr. Yashashwini Reddy | Apr 19, 2025
1. What is Karl Fischer titration? Karl Fischer titration is an analytical technique used to determine water content in a wide range of substances. It is based on the chemical reaction between iodine and water in the presence of sulfur dioxide and a base, typically in...
by Dr. Yashashwini Reddy | Apr 19, 2025
A Particle Size Analyzer is an instrument used to measure the size distribution of particles in a sample. These analysers are essential in a variety of industries like pharmaceuticals, mining, food, cosmetics, and chemicals, where particle size can significantly...
by Dr. Yashashwini Reddy | Apr 17, 2025
1. What is a dissolution apparatus? Why is it used? A dissolution apparatus is a lab device used to measure the rate at which a drug is released from a dosage form (like a tablet or capsule) into a solution. It’s a key tool in drug development and quality...
