Filter Paper 90 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
Mirror, With Base, To explore light reflection & refraction properties of convex mirrors, law of reflection, image formation, the effects of surface curvature on reflection, spherical aberration, diameter of the mirror is 95mm approx.
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