438-100 Sodium Nitrite Drop Test Kit

438/100 Sodium Nitrite Test Kit (Eyedropper Dispenser) (1 drop = 25,50,100 ppm Na NO2/5ml)

The Ceric Oxidemitry technique, which can often withstand up to 60% glycol concentration. Dilution of your sample by 50% will overcome any influence caused by glycol if it occurs. Since it is crucial to prevent the endpoint from fading when the test is finished, do not use a smaller amount of the indication than what is specified in the test method.