Technical data

Electrolysis of water

Article no: P1028200

Principle

In the case of simple electrolysis (for example electrolysis of water) an electrolysis cell consists of two identical electrodes (mostly graphite or platinum), which are immersed in an (electrolyte) solution. In this experiment sodium hydroxide solution is used as an electrolyte solution to make the water more conductive. The conductivity of (dist.) Water would be so low that the velocity of electrolysis water would be very slow.

In this experiment students learn that water can be decomposed into hydrogen and oxygen by the use of electrical energy. The formation of oxygen in this electrolysis reaction, students recognize the water belongs to the substance class of oxides.

Learning objectives

Analysis of water
Water is an oxide
electrolysis process

Scope of delivery

Support base, variable	02001-00	1
Stand rods, stainless steel, various sizes	02037-00	1
Boss head	02043-00	1
Universal clamp	37715-01	1
U-tube w. 2 lat tubulure PN19	36966-00	1
Graphite electrode,d=7,l=150,6pc	44512-00	1
Alligator clips, bare, 10 pcs	07274-03	1
Rubber stopper, d = 22/17 mm, 1 hole	39255-01	2
Connecting cable, 32 A, red, various lengths	07361-01	1
Connecting cable, 32 A, blue, various lengths	07361-04	1
Beakers, Boro, low form, various sizes	46054-00	2
Rubber hose, various diameters	39282-00	1
Test tube, laboratory glass, various lengths, 100 pcs.	37658-10	1
Test tube rack, wood, for 6 tubes d= 22mm	MAU-20042200	1
Wash bottle, plastic, 500 ml	33931-00	1
Protecting glasses, clear glass	39316-00	1
Bunsen burner DIN, natural gas	32165-05	1
Safety gas tubing, DVGW, sold by metre	39281-10	1
Caustic soda solution, 1.0 m, 1000 ml	48329-70	1
Glycerol, 250 ml	30084-25	1
Wood splints, package of 100	39126-10	1