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Khoom npe:Phosphoric acid
Molecular hom:H3o4p
CAS TSIS MUAJ. ::7664-38-2
Khoom Qauv Qauv Qauv:
Phosphoric acid yog cov xim tsis muaj kob, tsis muaj ntxhiab, crystalline khoom lossis cov kua tuab ua kua. Lub xeev lub cev yog lub zog thiab ntsuas kub.
Lub suab phosphoric zoo nkauj tshwm sim ua cov xim tsis muaj kob, kua txob tsis meej, syrupy. Nws muaj cov kua qaub zoo nkauj thaum tsim nyog diluted.
Ntshiab phosphoric acid, kuj tseem hu ua orthophosphoric acid, yog qhov tseeb, xim av, cov ntxhia plab uas muaj zog. Nws ib txwm ua lag luam ua cov tshuaj aqueous ntawm 75-5% nyob rau hauv uas nws muaj raws li ib tug ua kom pom tseeb, kua pleev.
Cov zaub mov-qib phosphoric acid yog siv los acidify cov zaub mov thiab dej haus. Nws muab kev sib tw los yog qaub thiab, yog ib qho tshuaj lom neeg uas tau tsim muaj feem ntau thiab hauv cov khoom loj. Phosphoric acid, siv nyob rau hauv ntau cov dej qab zib, tau txuas rau qis pob txha ceev hauv kev kawm sib txawv. Hauv cov lus luv luv, phosphoric acid yog cov kua hluav taws xob muaj zog thiab cov khoom lag luam uas nquag siv rau hauv cov khoom lag luam, cov tshuaj ntxuav pob zeb, tshuaj ntxuav tes, thiab chiv. Nws tseem raug siv los ua khoom noj ntxiv thiab yog ib qho tseem ceeb ntawm ntau cov dej qab zib. Cov tshuaj tsis tshua muaj pom muaj nyob hauv cov dej haus uas nws tau ntxiv rau qee thaj chaw kom txo sterubility.
Phosphoric acid yog ob qho tib si rau cov sulfuric acid li cov acid allour thiab tsis tu ncua nyob rau sab saum toj 10 tshuaj siv, tab sis nws yog siv nyob rau hauv ib tug xov tooj ntawm lwm cov ntawv thov. Phosphateswere siv los ua cov neeg tsim vaj tse thiab dej muag. Tus tsim yog ib qho tshuaj ntxiv rau sab nrauv lossis xab npum lossis dej paug kom lawv lub zog ntxuav.
Phosphoric acid yog siv los ua kev tsim kho tsiaj hauv cov tsiaj noj, tshuaj kho dej, etching tus neeg sawv cev, thiab cov khoom siv saib xyuas cov tshuaj txhuam hniav. Nws yog siv los ua kev catalyst nyob rau hauv cov roj av thiab polymer kev lag luam. Phosphoricacid yog siv nyob rau hauv cov zaub mov ua ib qho tshuaj tiv thaiv, ib qho acidulant, thiab qab ua kom zoo nkauj; Nws acidifies carbonateddrinks xws li coca kafes thiab Pepsi, muab lawv lub ntsej muag tsw. Phosphoric acid yog siv los ua cov khoom siv tshuaj txawv thiab hlau nqus tsev vacuum. Naval jelly yog kwv yees li 25% phosphoric acid. Lwm yam kev siv hluav taws xob phosphoric acid suav nrog opacity tswj
Phosphoric acid (H3PO4) yog qhov tseem ceeb tshaj plaws ntawm phosphorus thiab nws cov kev siv tseem ceeb yog hauv kev tsim cov chiv.
Hauv tib neeg lub cev, phosphate yog lub ntsiab phosphorus loj-muaj compound. Phosphate yog ib qho inorganic sib xyaw thiab yog ntsev ntawm phosphoric acid. Nws tuaj yeem tsim cov organic esters nrog ntau yam sib xyaw thiab cov no yog qhov tseem ceeb hauv ntau cov txheej txheem biochemical. Phosphate muaj cov qauv ua yeeb yam pookula PO43-. Nws yog qhov tetraedral molecule, qhov twg lub hauv paus phosphorus atom yog puag ncig los ntawm plaub oxygen atoms.
Nyob rau hauv kev muaj kuab lom, phosphate yog pom ntau npaum li cov ion dawb (inorganic phosphate) lossis raws li tus ester tom qab cov tshuaj tiv thaiv organic (feem ntau hu ua organic phosphates). Inorganic phosphate (feem ntau yog hais txog PI) yog kev sib xyaw ntawm HPO42- thiab h2po4- ntawm Physiological Ph.
Chemwin tuaj yeem muab ntau qhov ntau ntawm hydrocarbons thiab cov kuab tshuaj lom neeg rau cov neeg siv khoom lag luam.Ua ntej ntawd, thov nyeem cov ntaub ntawv hauv qab no hais txog kev ua lag luam nrog peb:
1. Kev ruaj ntseg
Kev nyab xeeb yog peb qhov tseem ceeb tshaj plaws. Ntxiv rau muab cov neeg siv khoom nrog kev siv cov ntaub ntawv hais txog peb cov khoom lag luam, peb kuj tau cog lus tias kev muaj kev nyab xeeb ntawm cov neeg ua haujlwm thiab cov neeg ua haujlwm raug txo qis thiab ua tau tsawg kawg nkaus. Yog li ntawd, peb xav kom tus qhua tuaj noj mov kom ntseeg tau tias qhov tsim nyog tso tseg thiab kev nyab xeeb cov qauv kev nyab xeeb tau ntsib cov ntawv tshaj tawm HSSE (thov saib cov nqe lus dav dav thiab cov ntsiab lus ntawm kev muag khoom hauv qab). Peb cov kws paub HDSE tau muab cov kev taw qhia rau cov qauv no.
2. Kev Xa Tawm
Cov neeg siv khoom tuaj yeem xaj thiab xa cov khoom lag luam los ntawm Chemwin, lossis lawv tuaj yeem tau txais cov khoom los ntawm peb cov khoom lag luam tsim khoom. Cov qauv muaj kev thauj khoom muaj cov tsheb thauj neeg muaj tsheb thauj khoom, tsheb ciav hlau lossis cov neeg thauj khoom ntau (cais cov mob siv).
Nyob rau hauv cov ntaub ntawv uas cov neeg yuav tsum tau ua, peb tuaj yeem hais cov cai ntawm cov nkoj lossis cov qauv kev nyab xeeb thiab siv cov qauv kev nyab xeeb tshwj xeeb / tshuaj xyuas thiab cov tseev kom ua.
3. Yam tsawg kawg txiav txim kom muaj nuj nqis
Yog tias koj yuav khoom los ntawm peb lub vev xaib, qhov kev txiav txim yam tsawg kawg nkaus yog 30 tons.
4. Upayment
Txoj kev them nqi them yog ncaj qha txiav tawm tsis pub dhau 30 hnub los ntawm daim ntawv qhia nqe.
5. Xa cov ntaub ntawv
Cov ntaub ntawv hauv qab no tau muab rau txhua qhov kev xa khoom:
Bill Nqi ntawm Lading, Cmr Waybill lossis lwm daim ntawv thauj khoom uas muaj feem xyuam
Daim ntawv pov thawj ntawm kev ntsuas lossis kev ua raws (yog tias yuav tsum tau)
· HSSEs cov ntaub ntawv ntsig txog kab nrog cov kev cai
· Kev cai sau cov ntaub ntawv nrog cov kev cai (yog tias yuav tsum tau)
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