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hi there, can you help me with something, im note sure about the rations by reaction of 3000g ephedrine via H3PO4 . Last time by reacting 1000g of ephedrin by temperature 130C for 8 hours i used 1500 g of iodine and 630 ml of H3PO4 and 600 ml H2O...ineed to be sure about the rations. Please can...