Sodium tripolyphosphate (stpp)
1. Industrial grade:
(1)main content(%fª):95 (2)p2o5(%fª):57.0 (3)ph of 1% water solution:9.2-10.0 (4)iron, as fe(%f_):0.015 (5)water insoluble(%f_):0.1
2. Food grade:
(1)main content(%fª):95 (2)p2o5(%fª):57.0 (3)ph of 1% water solution:9.5-10.0 (4)iron, as fe(%f_):0.01 (5)water insoluble(%f_):0.05 (6)arsenic, as as(%f_):0.0003 (7)fluoride, as f(%f_):0.003 (8)heavy metal, as pb(%f_):0.001 (9)chloride, as cl(%f_):0.025
Plastic-woven sack with polythene inner bag; net weight 25kg, 50kg or 1000kg; keep away from water or moisture, do not pile up in the open air.
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.
Dipotassium phosphate (dkp)
1.Industrial grade:
(1)main content(%fª):98.0 (2)p2o5(%fª):30.50 (3)k2o(%fª):39.5 (4)ph of 1% water solution:8.8-9.2 (5)water insoluble(%f_):0.10 (6)moisture(%f_):3.0
2.Food grade:
(1)main content(%fª):98.0 (2)p2o5(%fª):30.50 (3)k2o(%fª):39.5 (4)ph of 1% water solution:8.8-9.2 (5)water insoluble(%f_):0.10 (6)arsenic, as as (%f_):0.0003 (7)fluoride, as f(%f_):0.003 (8)heavy metal, as pb(%f_):0.001 (9)moisture(%f_):3.0
