Tšebeliso le maemo a ts'ebeliso ea asiti ea phosphoric
Tšebeliso le maemo a tšebeliso ea phosphoric acid,
Phosphoric acid, moetsi oa asiti ea phosphoric, tlhahiso ea tlhahiso ea phosphoric acid, mohlala oa phosphoric acid, Mofani oa Phosphoric Acid, phosphoric acid le ts'ebetso ea eona,
Lintho tsa Physicochemical:
1. Mokelikeli o bonaletsang o se nang 'mala,Ha o monko o monate
2.Ntho e qhibilihang 42℃; ntlha e belang 261℃.
3.Miscible le metsi ka karo-karolelano efe kapa efe
Storge:
1. Boloka sebakeng sa polokelo se pholileng, se nang le moea o pholileng.
2. Ipolokele hole le mollo le mehloli ea mocheso.
3. Sephutheloana se tiisitsoe.
4. E lokela ho bolokoa ka thoko ho lintho tse tukang habonolo (tse tukang), li-alkalis, le li-powders tsa tšepe tse sebetsang, 'me u qobe polokelo e tsoakiloeng.
5. Sebaka sa polokelo se lokela ho hlomelloa ka lisebelisoa tse loketseng ho ba le ho lutla.
Phosphoric acidbakeng sa ts'ebeliso ea indasteri
Tlhaloso ea boleng (GB/T 2091-2008)
| Lintlha tsa tlhahlobo | tlhaloso | |||||
| 85% ea asiti ea phosphoric | 75% ea asiti ea phosphoric | |||||
| Kereiti e Kholo | Sehlopha sa Pele | Tlwaelo ya Kereiti | Kereiti e Kholo | Sehlopha sa Pele | Tlwaelo ya Kereiti | |
| Mmala/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 |
| Tšepe(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 |
| Litšepe tse boima(Pb)，w/% ≤ | 0.001 | 0.003 | 0.005 | 0.001 | 0.001 | 0.005 |
Li-additives tsa lijo Asiti ea Phosphoric
Tlhaloso ea boleng(GB/T 1886.15-2015)
| Ntho | tlhaloso |
| Phosphoric acid(H3PO4), w/% | 75.0~86.0 |
| Fluoride(joalo ka F)/(mg/kg) ≤ | 10 |
| oxide e bonolo(joalo ka H3PO3),w/% ≤ | 0.012 |
| Arsenic(As)/(mg/kg) ≤ | 0.5 |
| Litšepe tse boima(joaloka Pb) /(mg/kg) ≤ | 5 |
Sebelisa:
Tšebeliso ea temo: lisebelisoa tse tala tsa manyolo a phosphate le limatlafatsi tsa phepo
Tšebeliso ea indasteri: lisebelisoa tse tala tsa lik'hemik'hale
1.Sireletsa tšepe ho senya
2.E kopantsoe le asiti ea nitric e le moemeli oa ho bentša lik'hemik'hale ho ntlafatsa bokaholimo ba tšepe
3.Material ea phosphatide e sebelisetsoang ho hlatsoa lihlahisoa le chefo e bolaeang likokoanyana
4.Ho hlahisa phosphorus e nang le lisebelisoa tsa flameretardant.
Li-additives tsa lijo li sebelisoa: tatso e nang le asiti, Tomoso Nutri-ents, joalo ka coca-cola.
Tšebeliso ea bongaka:ho hlahisa moriana o nang le phosphorus, joalo ka Na 2 Glycerophosphat
Phosphoric acid kapa orthophosphoric acid, formula ea lik'hemik'hale H3PO4, boima ba molek'hule 97.9724, ke acid e tloaelehileng ea inorganic, ke acid e matla e bohareng. E fumanoa ka ho qhaqha tetroxide ea phosphorus metsing a chesang. Orthophosphoric acid e fumanoa khoebong ka ho phekola apatite ka sulfuric acid. Phosphoric acid e felloa ke metsi habonolo moeeng. Mocheso o lahleheloa ke metsi ho pyrophosphoric acid, hape o lahleheloa ke metsi ho metaphosphate. Asiti ea phosphoric e sebelisoa haholo ho tsa meriana, lijo, manyolo le liindasteri tse ling, hape e ka sebelisoa e le reagent ea lik'hemik'hale.
Sebopeho sa thepa
Orthophosphate ke asiti ea phosphoric e entsoeng ka tetrahedron e le 'ngoe ea phospho-oksijene. Ka molek'hule ea phosphoric acid, athomo ea P e sp3 e nyalisitsoeng, li-orbitals tse tharo tse nyalisitsoeng li theha maqhama a mararo a sigma le athomo ea oksijene, 'me e 'ngoe P - O bond e entsoe ka tlamo e le' ngoe ea sigma ho tloha phosphorus ho ea ho oksijene le li-bond tse peli tsa d-pπ ho tloha. oksijene ho phosphorus. Sigma bond e thehoa ka ho hokahanya ha para e le 'ngoe ea lielektrone ho tloha ho athomo ea phosphorus ho ea ho orbital e se nang letho ea athomo ea oksijene. d←p bond e thehoa ka ho kopanya py le pz ea liathomo tsa oksijene le dxz le dyz vacant orbitals ea liathomo tsa phosphorus. Kaha matla a 3d a liathomo tsa phosphorus a phahame haholo ho feta matla a 2p a liathomo tsa oksijene, limolek'hule tsa orbitals ha li sebetse hantle, kahoo li-bond tsa PO li na le litlamo tse tharo ho ea ka palo, empa lipakeng tsa li-bond tse le 'ngoe le tse peli ho ea ka matla a matla. le bolelele ba tlamo. Ho ba teng ha li-hydrogen bond ka bobeli ba H3PO4 e hloekileng le li-hydrates tsa eona tsa crystalline li ka ikarabella bakeng sa viscosity ea tharollo ea phosphoric acid.
Sebaka sa kopo
Temo: Phosphoric acid ke thepa e tala bakeng sa tlhahiso ea menontsha ea phosphate ea bohlokoa (calcium superphosphate, potasiamo dihydrogen phosphate, joalo-joalo), le bakeng sa tlhahiso ea limatlafatsi tsa phepo (calcium dihydrogen phosphate).
Indasteri: Asiti ea Phosphoric ke sesebelisoa sa bohlokoa sa lik'hemik'hale. Mesebetsi ea eona ea mantlha ke e latelang:
Tšoara bokaholimo ba tšepe ho etsa filimi ea phosphate e sa qhibilihang holim'a tšepe ho sireletsa tšepe ho senya.
E sebelisoa joalo ka pholishe ea lik'hemik'hale e kopantsoeng le asiti ea nitric ho ntlafatsa pheletso ea bokaholimo ba tšepe.
Tlhahiso ea sesepa, chefo e bolaeang likokoanyana e tala phosphate ester.
Lisebelisoa tse tala bakeng sa tlhahiso ea li-flame retardants tsa phosphorus.
Lijo: Phosphoric acid ke e 'ngoe ea li-additives tsa lijo, lijong e le moemeli oa tatso e bolila, moemeli oa phepo ea tomoso, Coca-Cola e na le phosphoric acid. Phosphates le tsona ke li-additives tsa bohlokoa tsa lijo 'me li ka sebelisoa e le limatlafatsi tse matlafatsang.
Meriana: Phosphoric acid e ka sebelisoa ho etsa lithethefatsi tse nang le phosphorus, tse kang sodium glycerophosphate.
