by Dr. Yashashwini Reddy | Apr 22, 2025
Standard Operating Procedure Here is a detailed Standard Operating Procedure (SOP) for Preparation of Stock Solution for Limit Test, typically used in pharmaceutical and chemical quality control laboratories to ensure accurate and consistent analysis....
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 a Melting Point Apparatus? A melting point apparatus is a device used to determine the melting point of a substance, usually to test the purity of solid organic compounds. It heats a small amount of sample in a capillary tube and visually or automatically...
by Dr. Yashashwini Reddy | Apr 19, 2025
1. What is a pH meter and how does it work? A pH meter is an electronic device used to measure the hydrogen-ion activity (acidity or alkalinity) in a solution. It works by measuring the voltage difference between a pH-sensitive electrode (glass electrode) and a...
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...
