Inspection Item
Standard
Iron Chelated
6% min
Ortho-Ortho Fe
1.8-4.8
Effective PH Range
4-11
PH(1% water solution )
7-9
Heavy Metal
≤30ppm
Solubility
60g/L (20℃)
Appearance
Red-brown powder or granules
Packing: 25kg bag, 1kg/500g alu bag with box etc.