| ≥1 piece |
Usage:Used to manufacture metaphosphate in medical or food industry. Used as a high effective K and P compound fertilizer. It contains totally 86% fertilizer elements, used as a basic raw material for N, P and K compound fertilizer.
Standard:
|
Item |
Unit |
Specification |
|
|
Tech grade |
Food grade |
||
|
Main content |
% |
98 min |
98 min |
|
phosphorus pentoxide as P2O5: |
% |
51.5 min |
51.5 min |
|
Potassium oxide as K2O: |
% |
34 min |
34 min |
|
Ph of 1% water solution: |
- |
4.4-4.8 |
4.4-4.8 |
|
Moisture: |
% |
0.2 max |
0.2 max |
|
Heavy metal as Pb: |
% |
-- |
0.001 max |
|
Arsenic as As: |
% |
-- |
0.0003 max |
|
Fluoride as F: |
% |
-- |
0.003 max |
|
Water insoluble: |
% |
0.05 max |
0.05 max |