Digestion instrument for UV photolysis of water samples with low to medium organic load. For sample preparation in trace element determination by means of voltammetry, ion chromatography and spectroscopy (AAS, ICP). Integrated instrument with operating unit and wet end. With air cooling and automatic control of digestion temperature and time. For 12 samples with a maximum of 12 mL sample volume each. Instrument for 220 - 240 V and 50 - 60 Hz.