Electrophorus - Demonstration, Comprises a thick plastic base with four rubber feet alongwith with 18 cm diameter aluminium plate with an insulating handle. Produce a strong spark repeatedly, without recharging. 18 cm diameter aluminum plate
Filter Paper 240 mm Grade 3 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters