Microscope slides ground edges Standard Line, 75 x 25 mm (1.0-1.2), 50 pcs.

Semi-quantitative indicator strips for ammonium, ascorbic acid, chloride, chlorine (free), copper, fluoride, free fatty acids, iron, nitrate, nitrite, peracetic acid, peroxide, phosphate, sulphite and water hardness. These tests allows a quick and easy method to determine these free/available ions in solution. 100 strips per pack