The equipment is composed of: - 50 ml amber glass burette, with graduations of 0,1 ml (Ref.PG-9501) - 50 units of Whatman No. 20 filter paper (Ref. PG-938) - Glass rod of 8 mm diameter x 250 mm. (Ref. PG-68A) - Pallet mixer: - Variable speed of rotation and adjustable up to 660 rpm with four rotating blades of 75 mm in diameter. (Ref. PS-92) - Operation at 110 VAC - Ø 8 "Sieve, No. 4 mesh according to ASTM E 11 - Three (3) 1,000 ml precipitated beakers (Ref. PG-29) - One (1) vial of Methylene blue x 100 g (Ref. PS-16F) - One volumetric flask of 1000 ml capacity (Ref. PG-193) - Plato in aluminum - 1 "Spatula (Ref. PG1102) - 2 "brush (Ref. PG1142) ** Suggested products (Not included): - Digital stopwatch (Ref. PG136) - Scale of 600 g capacity (Mark Ohaus) with scale division of 0,01 g (Ref. BSP601) - Programmable digital electric oven (Ref. PG2001)