Phosphoric asidi, mmene chilinganizo H 3 PO 4, amatchedwanso phosphoric. Pawiri m'mikhalidwe yachibadwa amatanthauza olimba a loitanirana. timibulu ka mankhwala ndi colorless. Acid mosavuta sungunuka m'madzi, Mowa ndi solvents zina organic. Mu boma olimba ndi madzi, maselo a chikhazikitso cha kucheza mwa maunyolo hydrogen ndi chifukwa ichi anaikira H3PO4 ali kochulukira kukhuthala. Kuwira mfundo ya 42,3 C, pamene ndi Kutentha kwa 213 C amakhala pyrophosphoric asidi H 4 P 2 O 7.
asidi phosphoric ndi electrolyte sing'anga mphamvu komanso asidi tribasic, izo dissociates stepwise mu masitepe atatu mu njira amadzimadzi.
Okonzeka orthophosphoric asidi kawirikawiri mchere zace ali mankwala mchere - apatite ndi phosphorous, mchikakamizo cha asidi sulfuric. Komanso, ndi hydration wa okusayidi phosphorous (V) ndi hydrolysis kapena pawiri zochita kupanga - phosphor pentachloride.
asidi phosphoric ali anachitira ndi zapansi, oxides zitsulo salt, zitsulo udakali zidulo amphamvu. Pamene zimavuta ndi hydroxides neutralization anachita kumachitika chifukwa cha zomwe ndi mapangidwe mchere ndi madzi. Yatikhudza ndi oxides zitsulo komanso kupanga mchere ndi madzi. Pamene anachita ndi zimene salt kuwombola chikuchitika, amene analandira pamene mchere latsopano ndi chidulo. Zimene asidi orthophosphoric ndi siliva nitrate (mchere) ndi anachita Mkhalidwe, kuwalola kudziwa njira zake. Subtotal - chikasu precipitate - Silver mankwala (AG 3 PO 4). Popeza zitsulo yogwira, tsono mwa Beketova mmwamba wa hydrogen amalowa zochita M'MALO. Zimavuta ndi zidulo amphamvu (oyeretsa) akusonyeza chikhalidwe wapawiri (amphoteric) ndi ndipamene salt zovuta - phosphoryl. Komanso, pawiri akhoza thermally linakwiriridwa kuti diphosphoric acid.
asidi phosphoric, ntchito amene ali ambiri, ankagwiritsa ntchito m'mafakitale ambiri. Mwachitsanzo, mu ulimi, makamaka kwa kupanga feteleza munali phosphorous. feteleza kungatenge patsogolo zokolola osati kokha, komanso akutsutsana bwanji zikuchokera microbiological nthaka zimathandiza kuti chitukuko ndi kuchuluka kwa tizilombo zopindulitsa, komanso kuonjezera hardiness mbewu. Makampani chakudya chidulo ntchito ngati chakudya zowonjezera E 338, omwe ali pang'ono mu marmalade, madzi ndi zakumwa enaake. Ndi chifukwa zili asidi phosphoric acid citric mowa pamene ntchito kwambiri amapezeka kuwonongedwa kwa dzino. Mundawu kufewetsa dzino enamel ndi dentin yakhala ikugwiritsidwa ntchito ndi mano. Mwachitsanzo, phosphoric asidi okhala ndi phala apadera ntchito kwa dzino isanafike kudzazidwa ndi kumathandiza kuti minofu demineralization. thunthu ntchito mankhwala mbewu komanso kukhazikitsidwa kwa utoto sanali kuyaka nkhuni ndi vanishi ndi zomangira (si flammable mankwala thovu fosfodrevesnye mbale). Mwakhama ntchito brazing zamkuwa, zitsulo akakhala, zosapanga dzimbiri zitsulo monga zotsukira amene amachotsa padziko oxides osiyana zitsulo. Ntchito descaling, detergent ndi zamoyo.
Phosphoric asidi opezeka ntchito yogwira ndi mitundumitundu chifukwa katundu wawo physicochemical ndi kukonzekera mtengo wotsika.