The preparation of standards, also referred to as reference samples, of known concentrations is a frequently used procedure in most analytical laboratories. Internal or external standards with ...

Sample quality directly influences the reliability of an experiment. Researchers executing high pressure liquid chromatography (HPLC) experiments must incorporate standardized weighing scales, ...

Quality control (QC) is a critical step in the pharmaceutical and biopharmaceutical industry. Every manufacturer must demonstrate that its drugs are consistently produced, safe, potent, and pure. The ...

Sample preparation plays a crucial role in bioanalytical analysis involving chromatography. Insufficient sample preparation, such as skipping protein precipitation, phospholipid removal (PLR), ...