| CAS No.: | 7778-77-0 |
|---|---|
| Formula: | Kh2po4 |
| EINECS: | 231-913-4 |
|
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1.Properties
White or colorless crystal,free flowing, easily soluble in water, relative density at 2.338 g/cm3, melting point at 252.6ºC , and PH value of 1% solution is 4.5; Melting point 96ºC to 253ºC. Solubility (83.5g/100ml,90ºC), PH value of 2.7% Aq solution is 4.2-4.7.
2.Application
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. Industry mainly apply for fireproof material production.
3.Package
Packing :25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag
Loading:25 kgs on pallet: 25 MT/20'FCL; Un-palletized:27MT/20'FCL
Jumbo bag :20 bags /20'FCL ;
4.Specifications
Remark: Granular size could be customized
|
No |
Specifications |
National Standard |
Agriculture |
Industry |
|
1 |
Assay % ≥ |
99.0 |
99.0 Min |
99.2 |
|
2 |
Phosphorus pentoxide % ≥ |
/ |
52 |
52.0 |
|
3 |
Potassium oxide (K2O) % ≥ |
34 |
34 |
34.0 |
|
4 |
PH value (30g/L solution) |
4.3-4.7 |
4.3-4.7 |
4.3-4.7 |
|
5 |
Moisture % ≤ |
0.5 |
0.2 |
0.1 |
|
6 |
Sulfates(SO4) % ≤ |
/ |
/ |
0.005 |
|
7 |
Heavy metal, as Pb % ≤ |
0.005 |
0.005 Max |
0.003 |
|
8 |
Arsenic, as As % ≤ |
0.005 |
0.005 Max |
0.003 |
|
9 |
Fluoride as F % ≤ |
/ |
/ |
0.005 |
|
10 |
Water insoluble % ≤ |
0.1 |
0.1 Max |
0.008 |
|
11 |
Pb % ≤ |
/ |
/ |
0.0004 |
|
12 |
Fe % ≤ |
0.003 |
0.003 Max |
0.001 |
|
13 |
Cl % ≤ |
0.05 |
0.05 Max |
0.001 |
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