300031 UE Chemische Übungen III für Biologen (2005W)

In turn tutorials to the theoretical background and/or the experimental|procedures, followed by experiments singly, or in pairs, or in groups.|Introduction to the lab bench equipment. Law of mass action. Acids and|bases. Volumetric determinations. Buffer systems. Red-Ox reactions. Gas|volumetry. Ion selective electrodes.|Qualitative organic analysis: hetero elements, functional grops,|preparation of derivatives, determination of boiling points, refractory|indices and melting points.|Spectroscopy : 1. Infrared spectroscopy; 2. Nuclear magnetic resonance|spectroscopy.|Preparative organic chemistry: Synthesis of nitromethane.|Chromatography: 1. Gas chromatography|Distillation.|Chemistry of natural products: Carbohydrates. Amino acids, peptides and|proteins.|Chromatography: 2. Thin layer chromatography. 3. Ion exchange.|Chemistry of natural products: Isolation of leaf pigments.|Chromatography: 4. Column chromatography.|Spectroscopy : 3. Ultraviolet and visible light spectroscopy; 4. Mass|spectroscopy.|Chemistry of natural products: Isolation of fats and of flavoring|components from nutmeg.