2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Phosphoric acid, tseem hu ua orthophosphoric acid lossis phosphoric (V) acid, yogtsis muaj kua qaubnrog cov tshuaj formula H3PO4.
Lub npe phosphoric acid yog dab tsi?
Orthophosphoric acid, H3PO4, feem ntau hu ua yooj yim phosphoric acid.
Vim li cas phosphoric acid tseem hu ua orthophosphoric acid?
Txawm tias phosphoric acid tsis ua raws li cov ntsiab lus nruj ntawm cov kua qaub, 85% tshuaj tseem tuaj yeem ua rau tawv nqaij thiab ua rau lub qhov muag puas. Lub npe "orthophosphoric acid" tuaj yeem siv los paub qhov txawv ntawm cov kua qaub no los ntawm lwm cov "phosphoric acids", xws li pyrophosphoric acid.
Nws yog orthophosphoric acid?
Phosphoric Acid yog cov kua qaub tsis muaj zog nrog cov tshuaj formula H3PO4. Phosphoric Acid yog cov kua qaub uas muaj plaub atoms ntawm oxygen, ib atom ntawm phosphorus, thiab peb atoms ntawm hydrogen. Nws tseem hu ua phosphoric (V) acid lossis orthophosphoric acid. Nws muaj nyob hauv cov hniav thiab pob txha thiab pab hauv cov txheej txheem metabolic.
phosphoric acid nyob qhov twg?
Phosphoric acid tuaj yeem pom hauv dej qab zib, khoom noj siv mis xws li mis nyuj, tsev cheese, thiab buttermilk, thiab lwm yam khoom noj xws li cereal bars, dej tsw qab, haus kasfes hauv fwj, thiab cov nqaij ua tiav.
Pom zoo:
Puas yog ascorbic acid thiab citric acid tib yam?
Hauv kev khaws zaub mov, citric acid thiab ascorbic acid yog ob hom kua qaub siv rau ob txoj haujlwm sib txawv. Hos ob leeg yog cov kua qaub, lawv tsis zoo ib yam. … Citric acid yog acidic dua li ascorbic acid. Yog li ntawd, citric acid tau pom zoo thaum lub kaus mom txiv lws suav kom txo qis pH lossis nce acidity.
Puas yog cov tib neeg ntawm ib hom niaj hnub no txawv dua li cov tib neeg ntawm tib hom?
Puas yog cov tib neeg ntawm ib hom niaj hnub no zoo li txawv dua li cov tib neeg ntawm tib hom tau ntau tiam dhau los? … Yog, txhua tus neeg tuaj yeem hloov pauv me ntsis thiab dhau qhov kev hloov pauv rau lawv cov xeeb ntxwv. Puas muaj qhov sib txawv ntawm cov tib neeg ntawm tib hom?
Puas yog isocyanuric acid tib yam li cyanuric acid?
Stabiliser yog lub npe generic muab rau kev siv cyanuric acid (tseem hu ua iso-cyanuric acid) los yog nws cov chlorinated compounds ntawm sodium dichloro-isocyanurate thiab trichloro-isocyanuric acid.. Thaum ntxiv rau lub pas dej da dej sab nraum zoov cyanuric acid bonds xoob rau chlorine kom txo nws cov degradation los ntawm UV teeb.
Thaum ib yam khoom uas tsis yog tib neeg muab rau tib neeg tus yam ntxwv?
Personification yog qhov tshwm sim ntawm tib neeg cov yam ntxwv, yam ntxwv, lossis kev coj tus cwj pwm rau cov tsis yog tib neeg, yog tsiaj txhu, yam tsis muaj sia, lossis txawm tias cov ntsiab lus tsis muaj tseeb. Qhov twg hauv qab no muab tib neeg yam ntxwv rau yam tsis yog tib neeg?
Thaum orthophosphoric acid yog cua sov ntawm cov khoom tseem ceeb tsim yog?
Ib kauj ruam los ntawm cov lus teb: Orthophosphoric acid lossis H3PO4 thaum rhuab mus rau qhov kub ntawm 250 ∘ C yields pyrophosphoric acid thiab dej raws li cov khoom ntawm nws cov tshuaj tiv thaiv. Thaum orthophosphoric acid yog cua sov ntawm 240 degrees Celsius cov khoom tseem ceeb tsim yog?
