NLG-214 HOFMANN VOLTAMETER H – TYPE

To demonstrate the decomposition of water, determination of chemical composition by electrolysis. Platinum electrodes are used for electrolysis of water and carbon electrodes for electrolysis of ammonia or hydrochloric acid. Electrodes mounted in the rubber bung are inserted into side tubes from lower end, whereas upper end with stopcocks, central tube with a reservoir at upper end. Side limbs of 50 cm capacity. Overall height approx. 700 mm. For use with 12 V D.C. Supply.