lab crushertoone hour 200 mesh

weighed and transferred to a 200 mesh sieve. The sieve was washed with tap water and pure water to remove fines and dried at 103 C for one hour. The solids retained on the 200 mesh sieve were then transferred to a nest of sieves (Mesh Sizes 8, 16, 30, 50, 100 and 200), each of which was preweighed. The nest

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