Displaying 2 results of Cefalonium Impurities Cefalonium is an antibiotic used to fight bacterial infections. However, during the manufacturing process, impurities may be introduced. These impurities can potentially affect the safety and efficacy of the drug. Therefore, it is important to monitor and control the levels of cefalonium impurities to ensure that the drug is safe and effective for patients. Analytical methods such as high-performance liquid chromatography (HPLC) and gas chromatography (GC) are commonly used to detect and quantify impurities in cefalonium.