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M-Nitrobenzoic Acid
Khoom Muag: M-Nitrobenzoic Acid
Lub Npe: 3-Nitrobenzoic Acid
CAS#: 121-92-6
Mis: C7H5NO4
Cov Qauv Qauv:
Siv: Cov xim thiab kev kho mob intermedaite, hauv cov organic synthesis, cov khoom siv photosensitive, cov xim ua haujlwm
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Cov Pa roj carbon ua rau kev lag luam tshuaj
Kev siv tshuab ua kom cov pa roj carbon ua haujlwm hauv kev lag luam tshuaj
Cov pa roj carbon ua los ntawm cov ntoo hauv paus tshuaj yog ua los ntawm cov sawdust zoo uas tau ua kom zoo los ntawm txoj kev tshawb fawb thiab nrog cov hmoov dub zoo li.Cov yam ntxwv ntawm cov pa roj carbon ua haujlwm hauv kev lag luam tshuaj
Nws yog featured los ntawm qhov chaw loj tshwj xeeb, tshauv tsawg, cov qauv pore zoo, muaj peev xwm adsorption muaj zog, ceev filtration ceev thiab siab purity ntawm decolorization thiab lwm yam. -
Cov Pa roj carbon ua kom sov rau kev kho cua thiab roj
Kev Siv Tshuab
Cov koob ntawm noqhib lawmcov pa roj carbon hauv daim ntawv granular yog ua los ntawmtxiv hmab txiv ntoo lub plhaub lossis thee, ua haujlwm los ntawm txoj kev ua pa dej kub siab, nyob rau hauv cov txheej txheem ntawm kev zom tom qab kho.Cov yam ntxwv
Cov koob ntawm cov pa roj carbon activated nrog thaj chaw loj, tsim cov qauv pore, adsorption siab, lub zog siab, ntxuav tau zoo, yooj yim rov ua dua tshiab.Siv Cov Teb
Siv rau kev ntxuav roj ntawm cov khoom siv tshuaj, kev tsim tshuaj, kev lag luam tshuaj, haus nrog cov pa roj carbon dioxide, hydrogen, nitrogen, chlorine, hydrogen chloride, acetylene, ethylene, thiab cov pa roj inert. Siv rau cov chaw atomic xws li kev ntxuav pa tawm, kev faib thiab kev ua kom zoo. -
Cov Pa roj carbon ua kom dej kho
Kev Siv Tshuab
Cov koob ntawm cov carbo activated no yog ua los ntawm thee.
Lube Cov txheej txheem ua kom cov pa roj carbon ua tiav los ntawm kev siv ib qho kev sib xyaw ua ke ntawm cov kauj ruam hauv qab no:
1.) Carbonization: Cov khoom siv uas muaj cov pa roj carbon raug pyrolyzed ntawm qhov kub ntawm 600–900 ℃, thaum tsis muaj oxygen (feem ntau nyob rau hauv huab cua inert nrog cov roj xws li argon lossis nitrogen).
2.) Kev Ua Kom Tiav / Kev Oxidation: Cov khoom siv raw lossis cov khoom siv carbonized raug rau cov huab cua oxidizing (carbon monoxide, oxygen, lossis pa) ntawm qhov kub siab tshaj 250 ℃, feem ntau nyob rau hauv qhov kub ntawm 600–1200 ℃. -
Cov Pa roj carbon ua rau kev lag luam tshuaj lom neeg
Kev Siv Tshuab
Cov koob ntawm cov pa roj carbon ua kom muaj zog no yog ua los ntawm sawdust, thee lossis txiv hmab txiv ntoo plhaub nrog qhov zoo thiab tawv, ua kom muaj zog los ntawm tshuaj lom neeg lossis dej kub siab, nyob rau hauv cov txheej txheem kho mob tom qab ntawm cov mis tshuaj scientific refined.Cov yam ntxwv
Cov koob ntawm cov pa roj carbon activated nrog thaj chaw loj, tsim cov qauv microcellular thiab mesoporous, cov dej nqus loj, kev lim dej sai thiab lwm yam. -
Cov Pa roj carbon ua kom sov rau kev lag luam zaub mov
Kev Siv Tshuab
Cov koob ntawm cov pa roj carbon ua kom muaj hmoov thiab granular yog ua los ntawm sawdust thiab txiv hmab txiv ntootxiv ntooplhaub, qhib los ntawm kev siv lub cev thiab tshuaj lom neeg, nyob rau hauv cov txheej txheem ntawm kev zom, tom qab kev kho mob.Cov yam ntxwv
Cov koob ntawm cov pa roj carbon uas tau ua kom muaj nrog mesopor tsimousqauv, kev lim dej sai, ntim adsorption loj, lub sijhawm lim dej luv luv, cov cuab yeej hydrophobic zoo thiab lwm yam. -
2,3-Difluoro-5-Chloropyridine
Lub npe Suav: 2,3-difluorine-5-Chloropyridine
Lub npe khoom: 2,3-Difluoro-5-Chloropyridine
CAS#:89402-43-7
Cov mis mos molecular: C5H2ClF2N
Cov qauv qauv:
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Aluminium Potassium Sulfate
Khoom Muag: Aluminium Potassium Sulphate
CAS#:77784-24-9
Cov mis mos: KAl(SO4)4)2•12 teev2O
Cov Qauv Qauv:
Siv: Siv rau kev npaj cov ntsev txhuas, hmoov fermentation, xim, cov ntaub ntawv tanning, cov neeg sawv cev clarifying, mordants, papermaking, cov neeg sawv cev waterproofing, thiab lwm yam. Nws feem ntau yog siv rau kev ntxuav dej hauv lub neej txhua hnub.
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Cov pa roj carbon uas siv rau kev ua kom qab zib zoo
Kev Siv Tshuab
Siv cov thee bituminous uas muaj cov tshauv tsawg thiab cov sulfur tsawg. Kev sib tsoo siab heev, kev siv tshuab briquetting kho dua tshiab. Muaj zog dua thiab ua haujlwm zoo heev.Cov yam ntxwv
Nws siv cov txheej txheem ua kom cov qia nruj kom ua haujlwm. Muaj qhov chaw tshwj xeeb siab thiab qhov loj me ntawm qhov pore. Yog li nws tuaj yeem nqus cov xim molecules thiab cov ntxhiab tsw hauv cov tshuaj. -
PVA
Khoom Muag: Polyvinyl cawv (PVA)
CAS#:9002-89-5
Cov mis mos molecular: C2H4O
Cov Qauv Qauv:
Siv: Ua ib hom tshuaj soluble resin, nws feem ntau ua lub luag haujlwm ntawm zaj duab xis tsim thiab sib txuas. Siv dav hauv kev ntsuas qhov loj ntawm cov ntaub, nplaum, kev tsim kho, tus neeg sawv cev ntsuas ntawv, pleev xim, zaj duab xis thiab lwm yam lag luam.
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Hydroxypropyl Methyl Cellulose (HPMC) Siv rau Gymsum raws li plaster
Cov plaster gypsum feem ntau yog hu ua cov mortar qhuav uas tau sib xyaw ua ntej uas feem ntau muaj gypsum ua tus khi. Sib xyaw nrog dej ntawm qhov chaw ua haujlwm thiab siv rau kev ua tiav ntawm ntau yam phab ntsa sab hauv - cib, pob zeb ua vaj tse, ALC thaiv thiab lwm yam.
Hydroxy Propyl Methyl Cellulose (HPMC) yog ib qho khoom siv tseem ceeb rau kev ua haujlwm zoo tshaj plaws hauv txhua daim ntawv thov ntawm gypsum plaster. -
Hydroxypropyl Methyl Cellulose (HPMC) Siv rau Cement base plaster
Cov cement based plaster/render yog cov khoom siv tiav uas siv tau rau txhua phab ntsa sab hauv lossis sab nraud. Nws siv rau phab ntsa sab hauv lossis sab nraud xws li phab ntsa thaiv, phab ntsa pob zeb, phab ntsa ALC thaiv thiab lwm yam. Siv tes ua (tes pleev plaster) lossis siv tshuab tsuag.
Ib lub mortar zoo yuav tsum muaj kev ua haujlwm zoo, riam du tsis lo, lub sijhawm ua haujlwm txaus, yooj yim leveling; Hauv kev tsim kho niaj hnub no, mortar kuj yuav tsum muaj kev twj zoo, kom tsis txhob muaj mortar txheej thiab yeeb nkab thaiv. Lub cev mortar hardening yuav tsum muaj kev ua tau zoo heev thiab qhov zoo li ntawm qhov chaw, lub zog compressive tsim nyog, ruaj khov zoo, tsis muaj qhov khoob, tsis tawg.
Peb cov cellulose ether dej khaws cia kev ua tau zoo los txo qhov nqus dej los ntawm cov khoom siv hollow, txhawb cov khoom siv gel zoo dua hydration, hauv thaj chaw loj ntawm kev tsim kho, tuaj yeem txo qhov tshwm sim ntawm kev qhuav mortar thaum ntxov, txhim kho lub zog sib txuas; Nws lub peev xwm thickening tuaj yeem txhim kho lub peev xwm ntub ntawm cov mortar ntub rau qhov chaw hauv paus.
Peb siv kev ncaj ncees thiab yeej-yeej ua lub hauv paus ntsiab lus ua haujlwm, thiab kho txhua lub lag luam nrog kev tswj hwm thiab kev saib xyuas nruj.