24/9/2010 · Tintometer® (Germany) has introduced the RD125, a new thermoreactor for the the rapid heating and digestion of COD (Chemical Oxygen Demand) vials in a safe and secure environment. An easy-to-use membrane keypad enables users to select the required temperature from a choice of three options: 100 o C, 120 o C or 150 o C; with three pre-selection times of 30, 60 and 120 minutes.