Ashraf Fahim Ali, <br/><br/>
Preparation and characterisation of some phosphate and polyphosphate salts from the crude phosphoric acid / 
 تحضير وتوصيف بعض املاح الفوسفات والبوليفوسفات من حمض الفوسفوريك 
By Ashraf Fahim Ali; Supervised Prof. Dr. A.A. Manna, Prof. Dr. A. Fahmy, Prof. Dr. A. Magislnis 
 - 151 Leaves :  illustrations  30 cm. +  
<br/><br/>Thesis (Ph.D)-Cairo University, 1995. 
<br/><br/>Bibliography: pages 144-151 
<br/><br/><label>Subjects--Index Terms: </label>the crude phosphoric acid   phosphate and polyphosphate salts