Phosphoric acid
Njirimara physicochemical:
1. Mmiri mmiri na-enweghị agba, enweghị isi mgbakasị.
2.Melting ebe 42 ℃; esi esi 261 ℃.
3.Miscible na mmiri ọ bụla ruru.
Nchekwa:
1. Chekwaa n'ụlọ nkwakọba ihe dị jụụ, ikuku.
2. Wepụ n'ebe ọkụ na isi mmalite okpomọkụ.
3. A na-emechi ngwugwu ahụ.
4. Ekwesịrị ịchekwa ya iche site na ngwa ngwa (ọkụ) combustible, alkalis, na ntụ ntụ na-arụ ọrụ, ma zere nchekwa nchekwa.
5. Ebe nchekwa ahụ kwesịrị ịkwado ya na ihe ndị kwesịrị ekwesị iji nwee ntanye.
Phosphoric acidmaka Industrial ojiji
Nkọwapụta ogo (GB/T 2091-2008)
| Ihe nyocha | nkọwapụta | |||||
| 75% nke phosphorus | ||||||
| Super ọkwa | Ọkwa mbụ | Ọkwa nkịtị | Super ọkwa | Ọkwa mbụ | Ọkwa nkịtị | |
| Agba/Hazen ≤ | 20 | 30 | 40 | 30 | 30 | 40 |
| Phosphoric acid (H3PO4), w/% ≥ | 86.0 | 85.0 | 85.0 | 75.0 | 75.0 | 75.0 |
| Chloride(C1), w/% ≤ | 0,0005 | 0,0005 | 0,0005 | 0,0005 | 0,0005 | 0,0005 |
| Sulfate (SO4), w/% ≤ | 0,003 | 0,005 | 0.01 | 0,003 | 0,005 | 0.01 |
| Ígwè (Fe), W/% ≤ | 0,002 | 0,002 | 0,005 | 0,002 | 0,002 | 0,005 |
| Arsenic (As), w/% ≤ | 0,0001 | 0,003 | 0.01 | 0,0001 | 0,005 | 0.01 |
| Ọla dị arọ (Pb), w/% ≤ | 0.001 | 0,003 | 0,005 | 0.001 | 0.001 | 0,005 |
Ihe mgbakwunye nri phosphoric acid
Nkọwapụta ogo (GB/T 1886.15-2015)
| Ihe | nkọwapụta |
| Phosphoric acid (H3PO4), w/% | 75.0-86.0 |
| Fluoride (dị ka F)/(mg/kg) ≤ | 10 |
| Ọdụdọ dị mfe (dị ka H3PO3), w/% ≤ | 0.012 |
| Arsenic (As)/(mg/kg) ≤ | 0.5 |
| Ọla dị arọ (dị ka Pb) / (mg/kg) ≤ | 5 |
Jiri:
Iji ugbo: akụrụngwa nke fatịlaịza phosphate na nri nri.
Eji ụlọ ọrụ eme ihe: akụrụngwa akụrụngwa.
1.Chebe metal site na corrosion.
2.Mixed na nitric acid dị ka chemical polishing agent to melite elu imecha nke metal.
3.Material nke phosphatide nke a na-eji na-emepụta ngwaahịa na ụmụ ahụhụ.
4.The mmepụta nke phosphorus nwere flameretardant ihe.
Ihe mgbakwunye nri na-eji: ekpomeekpo acid, Yeast Nutri-ents, , dị ka coca-cola.
Ojiji ọgwụ: iji mepụta ọgwụ nwere phos-phorus, dị ka Na 2 Glycerophosphat.
