Sodium Tripolyphosphate is used in china, scour, petroleum, metallurgy, mining, water treatment, printing and dyeing industry. Sodium Tripolyphosphate Molecular formula: Na5P3O10CAS: 7758-29-4 Specification: ITEM SPECIFICATION RESULTNA5P3O10,DRY BASIS(%)94 MIN.94.7%P2O5,DRY BASIS(%)57 MIN. 57.2 %PH, 1%SOLUTION 9.2-10.09.6IRON,Fe(MG/KG)100 MAX70MG/KGWATER INSOLUBLE MATTER(%)0.1MAX0.01%WHITE ...