COD Analysis Thermoreactors ECO 8 ensure a simple and easy programming of time and temperature, the parameters involved in the analysis. ■ 5 preset temperatures - 70, 100, 120, 150 and 160 °C ■ 4 analysis times - 30 , 60, 120 minutes or continuous ■ 8 samples in Ø 16 mm test tubes plus 1 sample in Ø 22 mm ■ COD analysis in only 30 minutes at 160 °C ■ LED indicator of operation