Cas number: 7778-77-0
Standard executed: tech grade (hg2321-1992) food grade(national standard)
Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
Guaranteed technical specifications:
Specifications Tech grade food grade fcc-iv
Main contents % í² 99.0 99.0 98.0
P2o5 % í² 51.5 51.50 51.50
Potassium oxide (k2o) % í² 34.0 34.0 34.0
Ph value of 1% solution 4.3-4.7 4.3-4.7 4.3-4.7
Moisture % ín 0.20 0.20 0.20
Heavy metal, as pb 10ppm 15ppm
Arsenic, as as 3ppm 3ppm
Fluoride as f 50ppm 10ppm
Water insoluble % ín 0.20 0.10 0.2
Loss on drying % ín 1.0 1.0 1.0


In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.