Ball Milling For 200 300 Mg

2017121method a ballmilling a mixture of 356 mg of ninhydrin 1 2 mmol and 184 mg of benzidine 2 1 mmol was ballmilled at room temperature for 1 hhe material obtained was dried at 0 bar at 80 c in vacuum to give pure 3 with 100 yield and did not require purifying workupethod b using solvent.

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