Ammonium molybdate, ib qho inorganic compound muaj xws li molybdenum, oxygen, nitrogen, thiab hydrogen ntsiab (feem ntau hu ua ammonium tetramolybdate los yog ammonium heptamolybdate), tau ntev dhau nws lub luag hauj lwm raws li ib tug laboratory reagent vim nws cov yam ntxwv tshuaj lom neeg - zoo heev catalytic kev ua si, muaj peev xwm tsim cov yam ntxwv los yog complex phosphate. decompose rau hauv kev ua haujlwm molybdenum oxides lossis hlau molybdenum nyob rau hauv tej yam kev mob. Nws tau dhau los ua lub hauv paus tseem ceeb ntawm cov tshuaj lom neeg uas txhawb nqa ntau yam tseem ceeb xws li kev lag luam niaj hnub, kev ua liaj ua teb, cov ntaub ntawv tshawb fawb, thiab kev sim ib puag ncig.
1.Lub cav tseem ceeb hauv kev ua haujlwm catalysis: tsav lub zog huv thiab kev lag luam tshuaj lom neeg
Hauv thaj chaw ntawm catalysis,ammonium molybdatetuaj yeem suav tias yog "pob zeb raw khoom". Nws lub hom phiaj tseem ceeb yog tsim cov hydroprocessing catalysts (HDS catalyst rau desulfurization, HDN catalyst rau denitrification). Siv roj av refining ua piv txwv, feem ntau ntawm ammonium molybdate siv thoob ntiaj teb txhua xyoo yog siv rau lub hom phiaj no:
Sib sib zog nqus desulfurization thiab denitrification: Molybdenum oxide tsim los ntawm kev decomposition ntawm ammonium molybdate yog loaded ntawm ib tug alumina carrier thiab ua ke nrog cobalt los yog npib tsib xee oxides los ua tus precursor ntawm lub active tivthaiv ntawm lub catalyst. Cov catalyst no tuaj yeem decompose thiab hloov cov organic sulfides (xws li thiophene) thiab cov organic nitrides hauv cov roj crude thiab nws cov feem (xws li diesel thiab roj av) mus rau hauv yooj yim sib cais hydrogen sulfide, ammonia, thiab saturated hydrocarbons nyob rau hauv high-temperature thiab high-pressure hydrogen ib puag ncig. Qhov no tsis tsuas yog txo cov piam thaj cov ntsiab lus ntawm cov roj tsheb hauv tsheb (kev sib ntsib ua kom nruj ib puag ncig cov cai xws li Euro VI cov qauv), txo qis emissions ntawm acid nag thiab PM2.5 precursor SOx, tab sis kuj txhim kho roj stability thiab kev ua haujlwm ntawm lub cav.
Nthuav daim ntawv thov: Hauv kev xaiv hydrogenation txheej txheem ntawm thee liquefaction, roj thiab roj hydrogenation refining los tsim cov zaub mov qib zaub roj lossis biodiesel, nrog rau ntau yam khoom siv tshuaj lom neeg, catalysts raws li ammonium molybdate kuj ua lub luag haujlwm tseem ceeb, tsav tsheb kom zoo thiab huv si ntawm lub log loj.
2.Tus kav classic ntawm analytical chemistry: "golden eye" kom paub meej meej
Txoj kev "molybdenum xiav" tsim los ntawm ammonium molybdate hauv analytical chemistry yog tus qauv kub rau kev tshawb nrhiav kom muaj nuj nqis ntawm phosphate (PO ₄³ ⁻), uas tau ua.
kuaj rau ib puas xyoo:
Lub hauv paus ntsiab lus ntawm kev loj hlob xim: Hauv qhov nruab nrab acidic, phosphate ions hnov mob nrog ammonium molybdate los ua cov daj phosphomolybdic acid complex. Qhov kev ua haujlwm no tuaj yeem raug xaiv los ntawm kev txo cov neeg ua haujlwm xws li ascorbic acid thiab stannous chloride, ua rau cov xim sib sib zog nqus xiav "molybdenum xiav" xim. Qhov tob ntawm nws cov xim yog nruj me ntsis proportional rau cov concentration ntawm phosphate ntawm ib tug tshwj xeeb wavelength (xws li 880nm).
Daim ntawv thov dav: Txoj kev no yog siv dav hauv kev saib xyuas ib puag ncig (kev ntsuam xyuas ntawm eutrophication txaus ntshai hauv dej thiab dej khib nyiab phosphorus), kev tshawb fawb txog kev ua liaj ua teb (kev txiav txim siab ntawm cov av muaj phosphorus thiab chiv cov ntsiab lus phosphorus), kev lag luam khoom noj khoom haus (tswj cov phosphorus cov ntsiab lus hauv dej haus thiab additives), thiab biochemistry (kev soj ntsuam ntawm inorganic sebolite thiab phosphorus cell) rhiab heev (measurable trace level), kev ua haujlwm yooj yim, thiab tus nqi qis. Nws muab kev txhawb nqa cov ntaub ntawv txhim khu kev qha rau kev tiv thaiv dej zoo, kev ua kom muaj kuab zoo, thiab kev tshawb fawb txog lub neej.
3.Dual lub luag haujlwm ntawm kev ua hlau thiab metallurgy: kws tshaj lij hauv kev tiv thaiv thiab kev ua kom huv
Kev txhim kho corrosion zoo: Ammonium molybdate yog dav siv los ua anodic corrosion inhibitor hauv kev kho dej hauv kev lag luam (xws li loj hauv nruab nrab cua txias cua txias tshuab, boiler feedwater) thiab automotive engine coolant vim nws ib puag ncig tus phooj ywg (tsawg toxicity piv rau chromate) thiab kev ua tau zoo heev. Nws oxidizes rau saum npoo ntawm cov hlau (tshwj xeeb tshaj yog hlau thiab txhuas alloys) los ua ib tug ntom thiab heev nplaum molybdenum raws passivation zaj duab xis (xws li hlau molybdate thiab calcium molybdate), zoo thaiv cov corrosion ntawm lub substrate los ntawm dej, yaj oxygen, thiab corrosive ions (xws li Cl.
Lub hauv paus ntawm hlau molybdenum thiab alloys: high-purity ammonium molybdate yog ib qho tseem ceeb precursor rau ua high-purity hlau molybdenum hmoov. Molybdenum hmoov uas ua tau raws li cov kev xav tau ntawm cov hmoov hlau metallurgy tuaj yeem tsim los ntawm kev tswj cov calcination thiab txo cov txheej txheem (feem ntau nyob rau hauv ib qho chaw hydrogen). Cov hmoov molybdenum no tuaj yeem ua tiav ntxiv los tsim cov cua kub cua kub cua sov, semiconductor kev lag luam crucibles, kev ua haujlwm siab molybdenum alloys (xws li molybdenum titanium zirconium alloys siv rau aerospace high-temperature Cheebtsam), nrog rau cov khoom siv high-end xws li sputtering lub hom phiaj.
4.Agriculture: Ib 'Kev Ua Kev Zoo Siab ntawm Lub Neej' rau Cov Ntsiab Lus
Molybdenum yog ib qho tseem ceeb ntawm cov kab mob rau cov nroj tsuag thiab tseem ceeb heev rau kev ua haujlwm ntawm nitrogenase thiab nitrate reductase.
Molybdenum fertilizer core: Ammonium molybdate (tshwj xeeb tshaj yog ammonium tetramolybdate) yog cov khoom siv tseem ceeb rau kev tsim molybdenum chiv zoo vim nws cov dej solubility zoo thiab bioavailability. Kev siv ncaj qha los yog tshuaj tsuag raws li foliar chiv tuaj yeem tiv thaiv thiab kho cov tsos mob tsis txaus molybdenum (xws li nplooj daj, deformities - "ntxhi tus kab mob", kev loj hlob inhibition) hauv cov qoob loo leguminous (xws li taum pauv thiab alfalfa uas vam khom rhizobia rau nitrogen fixation) thiab cov qoob loo cruciferous (xws li cauliflower).
Ua kom muaj txiaj ntsig thiab txhim kho kom zoo: Kev tsim nyog ntxiv ntawm ammonium molybdate fertilizer tuaj yeem txhawb nqa cov nroj tsuag nitrogen metabolism efficiency, txhim khu cov protein synthesis, ntxiv dag zog rau kev ntxhov siab, thiab thaum kawg txhim kho qoob loo thiab zoo, uas yog qhov tseem ceeb rau kev ruaj ntseg zaub mov thiab kev loj hlob ntawm kev ua liaj ua teb.
5.Materials Science: Qhov 'Qhov Chaw Txawj Ntse' rau cov khoom siv ua haujlwm
Kev hloov tshuaj lom neeg muaj peev xwm ntawm ammonium molybdate muab txoj hauv kev tseem ceeb rau kev sib txuas ntawm cov khoom siv qib siab:
Muaj nuj nqi ceramics thiab txheej precursors: los ntawm sol gel, tshuaj tsuag kom qhuav, thermal decomposition thiab lwm yam technologies, ammonium molybdate tov yuav siv tau raws li ib tug precursor los npaj molybdenum raws li ceramic hmoov (xws li lead molybdate piezoelectric ceramics) nrog tshwj xeeb hluav taws xob, kho qhov muag los yog catalytic zog, thiab functional coatings (piv txwv li coatings).
Pib taw tes ntawm cov tshiab molybdenum tebchaw: Raws li ib tug molybdenum qhov chaw, ammonium molybdate yog dav siv nyob rau hauv lub chaw soj nstuam thiab kev lag luam daim ntawv thov los ua ke molybdenum disulfide (MoS ₂, khoom lubricant, lithium tsis zoo electrode khoom), molybdenum raws li polyoxometalates (polyoxometalates nrog rau lwm yam khoom siv tshuaj tiv thaiv kab mob, thiab tshuaj tiv thaiv kab mob), molybdates (xws li cov ntaub ntawv photocatalytic, cov ntaub ntawv fluorescent).
6.Lub tshuab hluav taws xob kev lag luam: "tom qab lub scenes hero" ntawm precision manufacturing
Hauv kev tsim hluav taws xob precision, ammonium molybdate kuj pom cov ntawv thov tshwj xeeb:
nplaim retardant enhancer: Qee cov formulations uas muaj ammonium molybdate yog siv los kho cov ntaub ntawv polymer (xws li yas rwb thaiv tsev txheej rau cov xov hlau thiab cables, Circuit Court board substrates), los ntawm kev txhawb carbonization thiab hloov cov thermal decomposition txoj kev, txhim kho cov nplaim retardant ntsuam xyuas thiab cov pa luam yeeb kev ua tau zoo ntawm cov khoom.
Electroplating thiab chemical plating Cheebtsam: Nyob rau hauv tshwj xeeb alloy electroplating los yog tshuaj plating txheej txheem, ammonium molybdate yuav siv tau raws li ib tug additive los txhim kho lub glossiness, hnav tsis kam, los yog corrosion kuj ntawm lub txheej.
Los ntawm cov roj refining lub plawv uas tsav cov nkoj loj heev ntawm kev caij nkoj ntev mus rau kev tiv thaiv corrosion uas tiv thaiv cov cuab yeej precision; Los ntawm cov rhiab heev reagent uas qhia cov kab ntawm phosphorus ntsiab nyob rau hauv lub microscopic ntiaj teb no, mus rau ib tug tub txib ntawm ib txoj lw ntsiab uas nourishes loj heev teb; Los ntawm cov pob txha tawv ntawm high-temperature alloys mus rau qhov chaw tshiab ntawm cov khoom siv ua haujlwm zoo - daim ntawv qhia daim ntawv thov ntawmammonium molybdate- profoundly lees paub qhov tseem ceeb ntawm cov tshuaj lom neeg hauv kev niaj hnub thev naus laus zis.
Post lub sij hawm: Jun-05-2025