Contents

1. Various aspects of the estimation of impurities in drugs, 2. Identification, structure elucidation and determination of related organic impurities, 3. Identification and determination of residual solvents, 4. Identification, semiquantitative and quatitative determination of inorganic impurities, 5. Degraduation products as impurities, 6. Determination of enantiomeric impurities, 7. Estimation of polymorphic modifications as impurities in drugs, 8. Microbiological examination of non-sterile drugs and raw materials, 9. Selected examples (impurity profiling of some groups of drugs)