Sodium hexametaphosphate (shmp)
1.Industrial grade:
(1)total phosphate, as p2o5(%fª):68.0 (2)inactive phosphate, as p2o5(%f_):7.5 (3)ph of 1% water solution:5.8-7.3 (4)solubility:qualified (5)water insoluble(%f_):0.05 (6)iron, as fe(%f_):0.05
2.Food grade:
(1)total phosphate, as p2o5(%fª):68.0 (2)inactive phosphate, as p2o5(%f_):7.5 (3)ph of 1% water solution:5.8-6.5 (4)solubility:qualified (5)water insoluble(%f_):0.06 (6)arsenic, as as(%f_):0.0003 (7)fluoride, as f(%f_):0.003 (8)heavy metal, as pb(%f_):0.001 (9)iron, as fe(%f_):0.05
Plastic-woven sack with inner polythene bag; net weight: 25kg, 50kg or 1, 000kg. Stored in ventilated and dry place.