114 2 HighEnergy Milling Attritors (Stirred Ball Mills) The attritor was invented in 1922 by Szegvari in the USA for a quick dispersion of fine sulphur particles needed to complete the vulcanization of rubber. After patenting the principle of attritor in the fifties in the USA, in 1956 the license for their manufacturing was transferred to Germany.
Fig 212 Laboratory mixer mill Spex 8000 CertiPrep USA ...
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