600-700
No. Index Industrial Grade Food Grade 01 Assay Na5P3O10 % e 94.0-96.0 94.0-95.0 02 P2 O 5 % e 57.0 57.0 03 Water Insoluble Matter % d 0.15 0.05 04 Iron( Fe) % d 0.015 0.015 ....