| Other: |
Molecular weight ：118.07
Property ：A colorless to white vitreous piece or piece, or a white fibrous crystal or powder.Odourless.Slowly dissolved in water, its solubility varies with the degree of polymerization, generally 0.004%.The aqueous solution is alkaline.Soluble in sodium salt solution, rapidly dissolved in dilute inorganic acids, insoluble in ethanol.
Application ：Mainly used as fertilizer, but also as a chemical reagent.
Pack:It is packed in 25kg plastic woven bag or composite kraft paper bag, carton or cardboard bucket.
| ITEM |
YingKe Standard |
| Co ppm |
<1 |
| Cr ppm |
<1 |
| Cu ppm |
<1 |
| Fe ppm |
＜5 |
| Mn ppm |
<1 |
| Ni ppm |
<1 |
| Ti ppm |
<1 |
| V ppm |
<1 |
| P2O5 % |
71±1 |
| Calcination of weightlessness % |
<0.6 |
|
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