Determination of the Hardness of Water, Kit Includes:4x500 ml EDTA Solution, 0.005M, 2x200 ml Buffer Solution, 2x15 ml EBT Solution (Eriochrome Black, 0.1%) UN1219
Determination of the Nitrite and Nitrate Concentration in Water Kit, Includes: 60 mL Griess Reagent, 0.5 g Cadmium Metal Powder, 6 Plastic Pipettes, 3 Reaction Vessel, 3 Collection Bottle, 1 Measuring Tube, Size: 40 tests
Diffusion and Osmosis kit, Includes: Agar, Bromothymol blue concentrate, Hydrochloric acid, Plastic cups, knives, stirrers, Cork borer Dialysis tubing, Microscope slides, Coverslips, Sucrose, Ovalbumin, Sodium chloride, Glucose QuickSolution, to study movement of water