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
Hydro-Electric Power Station - Working Water Turbine To Generate Electricity, Composed Of A Well Made Turbine With Transparent Cover Connected To A Small Motor To Generate Electricity. Ideal For Classroom Demonstrations