A na-eji na ntinye ọnọdụ nke phosphoric acid
Ihe eji eme ihe na ntinye nke phosphoric acid,
Phosphoric acid, onye na-emepụta phosphoric acid, ndụmọdụ ndị na-emepụta phosphoric acid, ụdị phosphoric acid, Onye na-eweta phosphoric acid, phosphoric acid eji na arụ ọrụ,
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. Chebe ebe ọkụ na isi mmalite ọkụ.
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 ọrụ ugbo: ihe eji eme nri 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.
Iji ọgwụ eme ihe: iji mepụta ọgwụ nwere phos-phorus, dị ka Na 2 Glycerophosphat.
Phosphoric acid ma ọ bụ orthophosphoric acid, usoro kemịkalụ H3PO4, ịdị arọ molekụla 97.9724, bụ acid inorganic nkịtị, bụ acid siri ike.A na-enweta ya site na igbari tetroxide phosphorus na mmiri ọkụ.A na-enweta Orthophosphoric acid n'ahịa site n'ịgwọ apatite na sulfuric acid.Phosphoric acid na-akpọnwụ ngwa ngwa n'ikuku.Okpomọkụ na-atụfu mmiri na pyrophosphoric acid, ma na-atụfukwa mmiri na metaphosphate.A na-ejikarị acid phosphoric eme ihe na ọgwụ, nri, fatịlaịza na ụlọ ọrụ ndị ọzọ, a pụkwara iji ya mee ihe dị ka reagent kemịkal.
Nhazi ihe
Orthophosphate bụ acid phosphoric nke nwere otu phospho-oxygen tetrahedron.N'ime molekul phosphoric acid, P atom bụ sp3 hybridized, atọ ngwakọ orbitals na-etolite njikọ atọ sigma na oxygen atom, na nke ọzọ P - O bond mebere nke otu sigma bond site na phosphorus na oxygen na abụọ d-pπ agbụ sitere na. oxygen na phosphorus.A na-etolite njikọ sigma site na nchikota nke otu ụzọ eletrọn si na atom phosphorus ruo na oghere oghere nke ikuku oxygen.A na-etolite njikọ d←p site na ijikọta py na pz nke ikuku oxygen na dxz na dyz oghere orbitals nke atom phosphorus.Ebe ọ bụ na ike 3d nke atom phosphorus dị elu karịa ike 2p nke ikuku oxygen, orbitals molecular adịghị arụ ọrụ nke ọma, ya mere njikọ PO bụ nkekọ atọ n'ihe gbasara ọnụ ọgụgụ, ma n'etiti etiti otu na okpukpu abụọ n'ihe gbasara ike ike. na ogologo nkekọ.Ọnụnọ nke njikọ hydrogen na H3PO4 dị ọcha na hydrates kristal ya nwere ike ịkọ maka viscosity nke ngwọta phosphoric acid.
Mpaghara ngwa
Agriculture: Phosphoric acid bụ akụrụngwa maka imepụta fatịlaịza phosphate dị mkpa (calcium superphosphate, potassium dihydrogen phosphate, wdg), nakwa maka mmepụta nri nri (calcium dihydrogen phosphate).
Ụlọ ọrụ mmepụta ihe: Phosphoric acid bụ ihe dị mkpa kemịkalụ akụrụngwa.Isi ọrụ ya bụ ndị a:
Na-emeso elu igwe ka ịmepụta ihe nkiri phosphate na-adịghị edozi n'elu igwe iji chebe metal ahụ site na mmebi.
A na-eji ya dị ka ihe nchacha kemịkalụ agwakọta ya na nitric acid iji melite ngwucha elu igwe.
Mmepụta nke ncha, pesticide raw material phosphate ester.
Akụrụngwa maka mmepụta nke phosphorous ire retardants.
Nri: Phosphoric acid bụ otu n'ime ihe mgbakwunye nri, na nri dị ka ihe na-esi ísì ụtọ, onye na-edozi nri yist, Coca-Cola nwere phosphoric acid.Phosphates bụkwa ihe mgbakwunye nri dị mkpa ma enwere ike iji ya mee ka ihe na-eme ka ahụ sie ike.
Ọgwụ: A pụrụ iji phosphoric acid mee ọgwụ phosphorous, dị ka sodium glycerophosphate.
