STUDY OF THE PHASE COMPOSITION OF PULPS IN THE PROCESS OF OBTAINING NPK FERTILIZERS
The method of x-ray diffraction investigates phase composition of the sour suspension, the neutralised pulps and pulps of the difficult fertilizers received from poor apatite Laokay of 2 classes. It is shown, that the nitric acid method in the way of processing it is possible to receive fertilizer, phosphorated in assimilated form and having the prolonged action.