H3PO4 phosphoric acidTxawm li cas los xij 7664 {- 38-2, cov molecular cov mis nyuj ntawm 42 Degree Crystal, nws dhau los ua tus tsis muaj xim thiab pob tshab kua. Hauv kev lag luam thiab chaw soj nstatories, phosphoric acid feem ntau muaj nyob rau hauv daim ntawv ntawm ib qho kev daws teeb meem, tsis muaj xim, tsis muaj volatile kua thiab ib qho tseem ceeb tshuaj lom neeg. Ib qho nruab nrab lub zog ternary acid, phosphoric acid tuaj yeem maj mam tso peb cov protoned, ua peb cov protonated sib txawv: h ₂ po, h ⁻ ⁻, thiab po ⁻. Cov xeeb ceem no muab rau nws qhov txawv txav hauv kev siv tshuaj lom neeg.
Phosphoric acid muaj ntau cov kev siv hauv kev lag luam thiab yog ib qho khoom siv tseem ceeb rau kev tsim cov chiv, tshuaj ntxuav tshuaj, thiab khoom noj ntxiv. Ib qho ntxiv, phosphate ua si lub luag haujlwm tseem ceeb hauv kev thiab cov khoom muaj sia, xws li ATP ntau lawm kev hloov dua siab thiab siv tau) thiab pob txha tsim. Tsis tas li ntawd, cov khoom ua tsis zoo ntawm phosphate ua nws cov tshuaj tsis tseem ceeb hauv kev ntsuas kev tshawb nrhiav thiab siv cov tshuaj, dav siv los tswj cov kev daws teeb meem. Cov xeeb ceem muaj tus cwj pwm tseem ceeb rau kev txhawb nqa tseem ceeb rau kev tshawb fawb thiab kev siv tshuaj.
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Cf |
H3O4P |
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Em |
97.98 |
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Mw |
97.99 |
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m/z |
97.98 (100.0%) |
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Kev Ntsuam Xyuas |
H, 3.09; O, 65.31; P, 31.61 |
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Morphological |
Khoom lossis viscous kua |
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Xim |
Meej |
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Phosphoric acid yog cov ternary nruab nrab acid, uas yog ionized hauv peb kauj ruam. Nws tsis yooj yim rau kev loj hlob thiab decompose, thiab muaj qee yam oxidizaber. Nws muaj qhov dav dav ntawm cov kua qaub.
(1) Hnov cov pa phosphoric acid tuaj yeem ua kom sov nrog cov tshuaj ntxuav kom sov (poov tshuaj Lub hauv paus ntsiab lus: kev npaj cov kua qaub los ntawm kev nyuaj scatile acid
(2) Phosphate ions muaj lub peev xwm ua kom muaj zog thiab tuaj yeem sau cov soluble ua nrog ntau cov hlau ions. Piv txwv li, fe 3+ thiab PO43- muaj peev xwm ua cov xim tsis muaj xim tsis muaj xim [fe) 2] 3- Fe (HPO4) -. Siv cov cuab yeej no, PO43- yog feem ntau siv hauv kev ntsuas tshuaj chemister rau daim npog qhov ntswg {{11} ion. Hnyav phosphoric acid tuaj yeem yaj tungsten, sicirconium, siciron, hlau cov kab nyias nyias, thiab tsim cov khoom nrog lawv.
(3) Thaum phosphoric acid nyob hauv qab muaj zog cua sov, polycosphate, pyrophosphoric acid, mus ncig ua si acid yog tsim tawm. Triphosphate yog ib txoj saw qauv, thiab polyphosphathaate yog cov qauv nplhaib.
(4) H3PO4 phosphoric acidYuav tsum tau sau tseg uas muaj lub siab kub phosphoric acid tuaj yeem corrode silicon dioxide thiab tsim heteropoly acids. Fotorrated kub phosphoric acid kuj tseem tuaj yeem ua kom muaj cov zaub mov muaj txiaj ntsig ntau, xws li chromite, rutile, ilmenite, thiab lwm yam.
Peb tsom mus rau lub thev naus laus zis ntawm cov organic synthesis txij xyoo 2008, peb tuaj yeem tsim kho siab- cov khoom lag luam zoo, txo rau peb cov pab pawg R & D thiab. Raws li cov txheeb cais ntawm cov ntaub ntawv Baifu, hauv thawj lub quarter ntawm 2022, kev ua lag luam thov kom phosphoric acid txuas ntxiv mus ntxiv. Tam sim no, kev tsim khoom ntau lawm ntawm cov nroj tsuag yog kwv yees li 17 tons ib hlis, yog li muaj cov khoom lag luam txaus los muab cov kev thov kev lag luam tam sim no.
Ntxiv rau peb lub tuam txhab cov khoom tsim tau txaus, peb kuj muaj cov txuj ci muaj txiaj ntsig txaus los muab rau cov neeg yuav tshuaj xyuas. Cov lag luam hauv daim duab hauv qab no tau koom tes nrog peb. Peb tau txais kev txiav txim siab los ntawm ib leeg nrog peb txoj kev paub ua haujlwm thiab kev paub siab- kev pabcuam zoo.
Phosphoric acid (h3po4), raws li ib qho tseem ceeb inorganic acid, ua liaj ua teb, buffering, thiab cov khoom siv chelphorus, thiab phosphorus qhov txiaj ntsig. Pib los ntawm cov chaw thov tseem ceeb, cov qauv hauv qab no tau hais txog lawv cov ntsiab lus sib txawv thiab cov ntsiab lus.
Phosphoric acid yog cov khoom siv tseem ceeb ntawm phospephate fertilizer kev lag luam, thiab li 80% ntawm lub ntiaj teb phosphoric acid yog siv rau kev ua liaj ua teb. Nws tseem txhawb nqa qoob loo loj hlob thiab nce tawm los ntawm kev muab cov khoom noj tseem ceeb ntawm nitrogen, phosphorus, thiab poov tshuaj) rau nroj tsuag.
1. Phosphate Chiv Ntau Lawm
Calcium superphosphathate: tsim los ntawm reaccting phosphoric acid nrog phosphate pob zeb (p2o5), siv dav ua paus chiv thiab saldressing.
Dommmon phosphate (DAP): Nrog rau cov ntsiab lus phosphorus ntawm 46%, nws haum rau cov qoob loo xws li pob kws thiab nplej. Nws tuaj yeem txhim kho kev txhim kho hauv paus thiab kev ntxhov siab tiv thaiv.
Potassium dihydrogen phosphate: lub siab zoo phosphate potassium compound files los ntawm foliariet txau, txhim kho cov qoob loo poob thiab txias tsis kam.
2. Pub Khoom Noj
Calcium Dihydrogen phosphate: raws li pub khoom noj ntxiv,H3PO4 phosphoric acidMuab phosphorus thiab calcium thiab cov calcium rau tsiaj txhu thiab nqaij qaib, txhawb kev txhim kho pob txha thiab qe teeb. Piv txwv li, ntxiv calcium dihydrogen phosphate rau kev pub mis ntawm kev tso cov hens tuaj yeem nce qe ntau lawm los ntawm 5% -8%.
Calcium hydrogen phosphate: siv hauv ruminant tsiaj pub rau kev tswj hwm rumen pH thiab txhim kho kev noj mov efficiency.
3. Cov Ntsiab Cai
Phosphorus yog qhov tseem ceeb tivthaiv ntawm cov nroj tsuag DNA, ATP (lub zog thauj khoom), thiab cov tshuaj tsib phosprane phospholipids. Phosphoric acid ua rau muaj cov kua qaub phosphorus los ntawm kev ua kom zoo nkauj phosphorus sib xyaw ua ke hauv av, thaum ua rau kev txhim kho ntawm phosphorus thiab txhim kho cov chiv siv tau kev ua tau zoo.
Phosphoric acid muaj cov haujlwm ntawm seasoning, khaws cia, thiab cov ntaub ntawv noj haus yuav tsum ua raws li cov khoom noj khoom haus, thiab cov khoom noj khoom haus kom haum rau kev siv khoom noj khoom haus khoom noj khoom haus).
1. Acquulant
Cov dej haus roj: phosphoricic acid muab cola thiab lwm yam dej haus zoo li cov ntsev, thiab kho cov p kom loj hlob ntawm 2.5-3.5 kom inhibit microbial kev loj hlob. Piv txwv li, lub phosphoric acid cov ntsiab lus hauv Coca Cola yog li 0.05% -0.1%.
Jam thiab seasoning: compounded nrog citric acid kom txhim kho cov txheej txheej qaub saj thiab tau lub neej ntev.
2. Kev ua zaub mov noj
Nqaij dej khaws cia: phosphates (xws li sodium tripolyphate) chelate hlau profeins xws li ham thiab hnyuv ntxwm los ntawm 10%-15%.
Cov khoom siv ntau lawm: ua cov sib xyaw ua ke, nws txhawb kev sib koom ua kom tawg ntawm whey protein thiab txhim kho cov qauv ntawm cov cheese.
Kev Siv Khoom Noj Kom Raug Mob
Kev Txhim Kho: Phosphates tuaj yeem txhim kho cov mov paj nruag lub zog, nce cov khoom ci ntim thiab softness.
Cov khoom noj siv mis: raws li ib qho chaw ntawm cov poov xab, txhawb kev fermentation thiab tiv thaiv kom tsis txhob muaj cov kab mob los ntawm lwm tus kab mob lwm yam.
Kev ua kom zoo dua
Lub Pka muaj nuj nqis ntawm phosphoric acid (2.21, 7.21, 12.67) Pab kom nws hloov pauv cov txiaj ntsig ntau dua thiab cov khoom noj muaj zog. Piv txwv li, nyob rau hauv cov txheej txheem ntawm npias saccharification, phosphoric acid tuaj yeem hloov cov kua qaub kom haum tus nqi PH kom haum tus nqi PH kom haum tus nqi PHEEJ THIAB TSIS TXHOB TXAUS SIAB.
Cov khoom muaj zog acidity thiab chelating cov khoom ntawm phosphoric acid ua rau nws cov khoom tseem ceeb rau kev kho hlau nto, thiab tshuaj lom neeg ua haujlwm.
1. Hlau kev kho
Phosphating Kev Kho Mob:H3PO4 phosphoric acidkev tawm tsam nrog zinc thiab manganese salts los ua cov yeeb yaj kiab phosphate, uas npog cov hlau los ntawm tsheb thiab kev tiv thaiv cov txheej nplaum thiab txhim kho cov txheej nplaum. Piv txwv li, cov ntsev txau tiv thaiv lub sij hawm phosphating txheej ntawm lub tsheb lub cev tuaj yeem txuas ntxiv rau ntau dua 1000 teev.
Tshuaj lom neeg polishing: sib xyaw ua ke ntawm phosphoric acid thiab nitric acid (piv 3: 1) yog siv rau polishing txhuas cov khoom. Los ntawm distruding qhov chaw ntawm cov hlau saum npoo av, qhov ua tau zoo dua qub, thiab cov npoo roughness ra tuaj yeem txo qis qis dua 0.1 μ m.
2. Tshuaj Ntsuam Xyuas Ntau Lawm
Cov tshuaj ntxuav tes: hloov kho phosphates (xws li cov roj av sodium detilicate)
Cov neeg saib xyuas tu tu: kev sib txuas ntawm phosphoric acid thiab surfactants acid thiab los kom tshem cov roj stains los ntawm cov khoom siv hlau, nrog kev ntxuav cov roj hlau uas yog 30% siab dua li ntawm ib qho surfactant.
3. Tshuaj Lom Cov Ntaub Ntawv
Phosphate synthesis: tsim cov ammonium phosphate, thiab lwm yam rau cov dej haus (ntsuas kom muaj cov khoom noj), thiab cov khoom noj khoom haus, thiab tshuaj intermediates.
Nplaim retardant: organophosphorus tebchaw (xws li tripheryl phosphate) yog siv hauv cov txheej txheem ntawm cov roj carbon txheej, thiab cov pa oxygen (cov pa) tau nce mus ntev dua 30%.
4. Kev sib tw
Tsoos phosphat cov txheej txheem muaj cov hlau thiab cov manganese, thiab xav tau kev txhim kho ntawm chromium dawb phospating daws teeb meem ib puag ncig. Piv txwv li, Titanium raws phospating daws tau thov hauv lub teb chaws aerospace los ntawm catalyzing qhov ua yeeb yaj kiab ntawm cov yeeb yaj kiab ntawm titanium ions.
Kws Tshuaj Cheeb Tsam: Yeeb Tshuaj Txuj Ci thiab Tsim Tsim Kev Ua Haujlwm
Phosphoric acc acid muaj ob qho tib si kho thiab tsim kev ua haujlwm hauv cov tshuaj, thiab nws daim ntawv thov yuav tsum ua raws cov qauv ntawm cov kws muag tshuaj hauv Suav teb.
1. Yeeb Tshuaj Squthesis
Cov tshuaj tiv thaiv kab mob: Oseltamivir phosphate kev ua si, thaiv tus kab mob khaub thuas tso tawm, thiab muaj tshuaj kho mob ntawm 80% -90%.
Hlau ntxiv: Sodium Iron phosphate yog siv rau kev kho cov tshuaj tsis txaus ntseeg, thiab nws cov bioavailability anemia, thiab nws cov bioavailability anemia, thiab nws siab dua li ferrous sulfate.
2. Tshuaj Tiv Thaiv
PH PH Cov Cai: Phosphate Buffer daws (xws li PBS) Tswj tshuaj ruaj khov, piv txwv li cov tshuaj insulin txhaj yuav tsum tau tswj hwm ntawm 7.0-7.8 kom tiv thaiv kev ua kom muaj kev cuam tshuam.
Disintegrating tus neeg sawv cev: calcium hydrogen phosphate txhawb nqa cov tshuaj sai sai uas ua tau raws li USP cov qauv.
3. Kev tu ncauj
Phosphate toothpaste: removes dental plaque through chemical adsorption, but excessive use (concentration>5%) yuav yauv txha caj qaum, thiab cov tshuaj yuav tsum tau tswj hwm.
Lub Zog Hluav Taws Xob Tshiab: Lithium Roj Teeb thiab Cov Khoom Lag Luam
Derivatives ntawm phosphoric acid qhia tau cov peev xwm zoo hauv lub zog huv thiab muaj kev tsim kho siab.
1. Lithium Roj teeb hluav taws xob zoo cov khoom siv hluav taws xob zoo
Lithium Iron phosphate (LIFEPO4): Raws li cov khoom siv hluav taws xob zoo yog 170mAh / g, thiab nws lub neej sib txawv tshaj li ntawm cov khoom siv ternary. Los ntawm 2024, lub ntiaj teb ntau lawm ntawm lithium hlau phosphate yuav suav rau ntau dua 60%, tsuas yog siv rau lub zog hluav taws xob tshiab thiab lub zog khaws cia.
2. Semiconductor tu
Cov Paus Muaj Peev Xwm Posphoric acid: Hauv Qib Phosphoric acid: Kev ua kom huv ntau ntau dua los yog sib npaug ntawm cov khoom siv hlau (xws li FE) rau qib PPB thiab txo tus nqi.
3. Kev Sib Tw Technological
Lithium Manganese Iron Phosphate (LMFP): Los ntawm doping manganese, thiab lub zog hluav taws xob yog nce rau cov khoom sib tw rau cov khoom siv hluav taws xob tom ntej ntawm cov roj teeb fais fab.
Kev tiv thaiv ib puag ncig thiab tawm teb cov teb: kev kho kom zoo thiab tsim lub zog
Daim ntawv thov ntawm phosphoric acid nyob rau hauv ib daim teb ntawm ib puag ncig kev tiv thaiv thiab kev tsim kho yog maj nthuav.
Kev Kho Mob Tso Kho Kom Zoo
Hnyav hlau tshem tawm hnyav: phosphate cov ntaub ntawv insoluble precipitates nrog cov hmoov txhuas nyob hauv qab no 0.1mg / l, nyob rau hauv kev ua raws li GB 8978-1996 LOJ TEJ TAWM TXAWV.
Phosphorus rov qab: Rov qab ntsev los ntawm Wastewater los npaj qeeb {{}} Tshaj tawm chiv, ua tiav cov peev txheej rov ua dua tshiab.
Kev Tsim Kho Kev Tsim Kho
Qhob Retarder:H3PO4 phosphoric acidNcua Caas dej cov tshuaj tiv thaiv, ntev siv sijhawm siv, thiab tsim nyog rau pob zeb qhib qhov chaw siab.
Refractory Khoom Siv: Txhuas Ntawv Phosphate Binding lub zog thiab thermal poob siab tiv thaiv cib ntau, nrog kev pabcuam kub txog 1600 degree.
Cim npe nrov: H3Po4 phosphoric acid li 7664-38-2, cov neeg muab khoom, chaw tsim khoom, Hoobkas, lag luam wholesale, yuav, nqi, loj, loj, rau muag