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Ancient Germany Wet Ball Mill

Nov 15 2017 The ball mill MiniCer Netzsch Germany was cleaned with HNO 3 and NaClO followed by intensive washing with ultrapure water Wet grinding was performed at 28C and 3000 rpm using ZrO 2 balls 300 m in diameter 180 g Prior to ball milling the amount of nacre tablets and geological aragonite was reduced to 15 wt with ultrapure water

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