Phosphoric acid, nke usoro H 3 PO 4, na-akpọ phosphoric. The compound n'okpuru nkịtị ọnọdụ bụ a siri ike kwuo nke aggregation. Obere kristal nke umi bụ colorless. Acid bụ ngwa ngwa soluble n'ime mmiri, ethanol na ndị ọzọ organic solvents. Na ihe siri ike ma mmiri mmiri ala, na ụmụ irighiri ihe nke umi nke òtù site hydrogen agbụ na, n'ihi na nke a mere na ọ lekwasị H3PO4 nwere ụba viscosity. The esi n'ókè nke 42,3 C, mgbe site kpo oku ka 213 C aghọ pyrophosphoric acid H 4 P 2 O 7.
Phosphoric acid bụ electrolyte ajụ ike nakwa dị ka tribasic acid, ọ dissociates stepwise na atọ nzọụkwụ ke okenye agbanwe agbanwe.
Njikere orthophosphoric acid na-emekarị a nnu ya ẹdude ke phosphate minerals - apatite na site, n'okpuru nduzi nke na igirigi ibu sulphuric acid. Ọzọkwa, site na hydration nke site oxide (V) site hydrolysis ma ọ bụ ihe inorganic compound - phosphor pentachloride.
Phosphoric acid na-meghachi omume na bases, metal oxides, salts, ifịk ifịk ọla na ike asịd. Mgbe inwe mmekọrịta na hydroxides neutralization mmeghachi omume emee, n'ihi nke bụ guzobere nnu na mmiri. Na-emeghachi omume na metal oxides-etolite nnu na mmiri. Mgbe imeghachi omume na salts mgbanwe mmeghachi omume na-ewe ebe, nke na-enwetara mgbe ọhụrụ nnu na acid. The mmeghachi omume nke orthophosphoric acid na silver nitrate (nnu) bụ a qualitative mmeghachi omume, ikwe ka ọ chọpụta ya ngwọta. Subtotal - odo ịkpali - Silver phosphate (Ag 3 PO 4). Ebe ọ bụ na-arụsi ọrụ ike ọla, nke di n'etiti Beketova elu hydrogen abatakwa n'ime nnọchi Jeremaya mere. Mmekọrịta na ike asịd (bleach) egosipụta a sọrọ uwa (amphoteric) na Nleta mgbagwoju salts - phosphoryl. Ọzọkwa, compound nwere ike thermally akadiahade ka diphosphoric acid.
Phosphoric acid, na ojiji nke a bụ na ọtụtụ, ọtụtụ-eji ọtụtụ ọrụ. Ihe atụ, na agriculture, akpan akpan n'ihi na mmepụta nke fatịlaịza nwere site. Dị otú ahụ fatịlaịza nwere ike melite bụghị naanị arụpụtaghị, kamakwa mma emetụta microbiological mejupụtara nke ala, inye onyinye mmepe na proliferation nke bara uru bacteria, nakwa dị ka dịkwuo hardiness nke kụrụ. Na nri ụlọ ọrụ na acid-eji dị ka a nri mmako E 338, nke a na ẹdude ke a obere ego na marmalade, sirop na carbonated-aba n'anya. Ọ bụ n'ihi na ọdịnaya nke phosphoric acid na citric acid na mmanya mgbe oké ojiji pụtara mbibi nke ezé. Nke a onwunwe nro nha nha Enamel na dentin e ji mee site ụlọ. Ka ihe atụ, phosphoric acid nwere a pụrụ iche na mado na-etinyere ka a eze tupu ndochi nke ọ na-eme ka anụ ahụ demineralization. The umi na-eji maka mkpụrụ ọgwụgwọ na oruru nke na-abụghị combustible osisi akọwa na varnishes na ụlọ ihe (na-abụghị flammable phosphate ụfụfụ fosfodrevesnye efere). Ifịk ifịk-eji na brazing ọla kọpa, ferrous ọla, igwe anaghị agba nchara dị ka a Cleaner nke no na-ewepu n'elu iche iche metal oxides. -Ejikwa descaling, omo na molekụla usoro ndu.
Phosphoric acid na-achọta ọrụ ike ma ọgwa na ojiji ruru ha physicochemical Njirimara na dịtụ ala na-eri nkwadebe.