Phosphorous acid, ihe inorganic ogige na chemical usoro H3PO3.Ọ bụ ntụ ntụ kristal na-acha ọcha, na-agbaze ngwa ngwa na mmiri na ethanol, ma jiri nwayọọ nwayọọ na-agbanye n'ime orthophosphate na ikuku.Phosphite bụ acid dibasic, acidity ya dị ntakịrị ike karịa phosphoric acid, ọ nwere ike ibelata ihe onwunwe, dị mfe iji belata ion ọlaọcha (Ag +) na ọla ọlaọcha (Ag), nwere ike belata sulfuric acid na sulfur dioxide.Ọ nwere ike hygroscopicity na deliviousness, na bụ corrosive.A na-ejikarị phosphite eme ihe dị ka onye na-ebelata ihe, naịlọn na-egbuke egbuke, ma a na-ejikwa ya dị ka akụrụngwa phosphite, pesticide intermediates na organic phosphorus water agents raw kayan.
Njirimara:ọcha crystalline ntụ ntụ.Soluble na mmiri na mmanya.Njupụta: 1.651g / cm3, ebe agbaze: 73 ℃, ebe esi mmiri: 200 ℃.
Ngwa:
1.Phosphorous acidA na-eji emepụta nnu phosphate fatịlaịza dị ka potassium phosphite, ammonium phosphite na calcium phosphite.Ọ na-arụsi ọrụ ike na nkwadebe nke phosphites dị ka aminotris (methylenephosphonic acid) (ATMP), 1-hydroxyethane 1,1-diphosphonic acid (HEDP) na 2-phosphonobutane-1,2,4-tricarboxylic Acid (PBTC), nke na-achọta. ngwa na ọgwụgwọ mmiri dị ka ọnụ ọgụgụ ma ọ bụ ihe mgbochi corrosive.A na-ejikwa ya na mmeghachi omume kemịkal dị ka ihe na-ebelata.A na-eji nnu ya, phosphite lead dị ka PVC stabilizer.A na-ejikwa ya dị ka ihe mmalite na nkwadebe nke phosphine na dị ka etiti na nkwadebe nke ogige ndị ọzọ nke phosphorus.
2.Phosphorous acidEnwere ike iji (H3PO3, orthophosphorous acid) dị ka otu n'ime ihe mmeghachi omume maka njikọ nke ndị a:
α-aminomethylphosphonic acids site na mmeghachi omume Multicomponent ụdị Mannich
1-aminoalkanephosphonic acid site na amidoalkylation sochiri hydrolysis
N-echebe α-aminophosphonic acid (phospho-isosteres nke amino acid eke) site na mmeghachi omume amidoalkylation.
3. Industrial ojiji: Nke a na-anakọta e mepụtara n'oge na-adịbeghị anya na e ji mee ihe bụ isi dị ka onye na-anakọta kpọmkwem maka cassiterite si ores na mgbagwoju gangue mejupụtara.On ndabere nke phosphonic acid, Albright na Wilson mepụtara a nso nke mkpoko tumadi maka flotation nke oxidic mineral. ya bụ cassiterite, ilmenite na pyrochlore).Obere ntakịrị ka a maara maka arụmọrụ nke ndị nchịkọta a.Nnyocha ole na ole e mere na cassiterite na rutile ore gosiri na ụfọdụ n'ime ndị a na-anakọta ihe na-emepụta froth dị ukwuu mana ha na-ahọrọ nke ọma.
Usoro mmepụta:
Ụzọ mmepụta mmepụta ihe gụnyere trichloroic phosphorus na phosphoric acid nnu.Usoro hydrolysis ji nwayọọ nwayọọ na-agbakwụnye mmiri na mmeghachi omume hydrolysis n'okpuru ngwakọta nke trichloride iji mepụta sub-phosphoric acid.Mgbe emechara ya, a na-eme akwụkwọ mmiri oyi, kristal na mwepu agba, na-emecha ngwaahịa ahụ.Ya PCI3 + 3H2O → H3PO3 + 3HCL na-emepụta hydrogen chloride recycling n'oge mmepụta usoro, nke nwere ike ime ka hydrochloric acid.
Nchekwa:
Njirimara ihe ize ndụ ire ọkụ: na onye na-ahụ maka oghere H bụ combustible;Okpomọkụ na-emebi uzuzu phosphorus oxide na-egbu egbu.
Njirimara nchekwa na njem njem: ụlọ nkwakọba ihe ventilashị obere okpomọkụ akọrọ;Chekwaa iche site na onye na-ewepụta H pore na alkali.
Nkwakọ ngwaahịa: 25kg / akpa
Nchekwa: Chekwaa na nke ọma mechiri emechi, ọkụ na-eguzogide ma chebe mmiri mmiri.
Oge nzipu: Feb-27-2023