Shaanxi Bloom Tech Co., Ltd. yog ib qho ntawm cov neeg tsim khoom lag luam thiab cov chaw muag khoom ntawm P}} naphtholbenzein CAS 145- 50-6 nyob hauv Suav teb. Txais tos rau kev lag luam wholesale loj zoo p-naphtholbenzein CAS 145-6 kev muag khoom ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab tus nqi tsim nyog muaj.
P - naphtholenzein, Molecular Cov Qauv M27H18O2, CAS 145 {12 {}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Nws yog soluble hauv cov kuab tshuaj muaj kuab tshuaj xws li cawv, yog neeg txawj ntse, cov tshuaj estrones, tab sis insoluble hauv dej. Qhov kev ua yeeb yam no ua rau nws dav hauv cov organic synthesis thiab rho tawm. Nws muaj acidity thiab tuaj yeem siv ua ib qho acid catalyst. Nws cov acidity feem ntau yog los ntawm cov pab pawg hydroxyl hauv Naphthol pab pawg, uas muab nws ib qho peev xwm oneization. Nws muaj cov ntawv thov tshwj xeeb muaj nuj nqis hauv spectroscopy, xws li nthuav qhia cov peakseting muaj zog nyob rau hauv ultraviolet spectroscopy, uas tuaj yeem siv rau kev ntsuas spectroscopy. Tsis tas li ntawd, nws cov kev sib nqus tsis muaj nuclear Muaj ntau yam kev siv hauv cov hlau corrosion inhibitors, uas tuaj yeem inhibit corrosion thiab oxidation ntawm cov hlau los ntawm ntau txoj kev ua, corrosion inhibitors, thiab txheej. Hauv kev siv cov kev siv, nws yog qhov tsim nyog los xaiv cov kev ntsuas tiv thaiv uas tsim nyog ntawm kev tiv thaiv corrosion thiab cov kev xav tau kom ua tiav kev tiv thaiv corrosion zoo tshaj plaws.
| Puab | Kua |
| Melting taw tes | 230 - 235 Qib (Lit.) |
| Kub taw tes | 463.44 Qib (Kwv Tsuag Ntxoo) |
| Ceev | 1.0946 (ntxhib kwv yees) |
| Vapor ceev | 12.9 (vs huab cua) |
| Refronction Index | 1.4875 (kwv yees) |
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P - naphtholenzeinMuaj ntau yam kev siv hauv cov hlau corrosion inhibitors. Nws tuaj yeem siv ua hlau hlau anti - Corrosion Tus Neeg Sawv Cev los tiv thaiv cov ntaub ntawv hlau los ntawm kev xeb thiab oxidation.
1. Anti corrosion txheej: tuaj yeem siv los npaj cov tshuaj tiv thaiv hlau kom tiv thaiv kev sib cuag thiab corrosion ntawm cov hlau nrog ib puag ncig sab nraud. Cov txheej no tuaj yeem siv rau ntau cov ntaub ntawv hlau, xws li hlau, khawm, thiab lwm yam, txhim kho kev txhim kho corrosion zoo ntawm cov hlau.
2. Corrosion Inhibitor: Nws tuaj yeem siv los ua cov dej khov kho thiab cov neeg sawv cev, cov tshuaj ntxuav kom huv, thiab qeeb cov khoom siv hlau. Los ntawm kev sib sau zaj duab xis tiv thaiv ntawm cov hlau saum npoo lossis hloov cov khoom siv hluav taws xob ntawm cov hlau nto, xeb thiab oxidation ntawm cov hlau tuaj yeem ua rau muaj kev cuam tshuam zoo.
3. Anti corrosion txheej: tuaj yeem siv los npaj cov ntaub ntawv tiv thaiv kab mob los tiv thaiv cov kev cuam tshuam ntawm cov huab cua, dej, thiab lwm yam kev tawm tsam. Cov txheej no tuaj yeem thov rau kev kho cov khoom sib txawv ntawm ntau cov ntaub ntawv hlau, xws li hlau, tooj liab, thiab lwm yam kev pabcuam lub neej.
4. Tshuaj Tiv Thaiv Kev Tiv Thaiv Anyoo Txoj kev no feem ntau siv los tiv thaiv cov ntaub ntawv hlau xws li hlau thiab txhuas los ntawm cov hluav taws xob hauv tshuab hluav taws xob.
5. Cathodic Kev Tiv Thaiv Txoj Cai: Nws tuaj yeem siv rau hauv Cathodic Kev Tiv Thaiv Txoj Cai yog ib feem ntawm cov ntaub ntawv corrosion ntawm cov ntaub ntawv hlau los ntawm kev muab cov ntaub ntawv txuas ntxiv tam sim no. Txoj kev no feem ntau siv los tiv thaiv cov ntaub ntawv hlau xws li hlau thiab txhuas los ntawm cov hluav taws xob hauv tshuab hluav taws xob.
6. Corrosion Npaj Ua Haujlwm: Nws tuaj yeem siv ua ib qho ntawm cov khoom siv raw los npaj qee cov khoom ua xeb. Piv txwv li, nws tuaj yeem ua rau muaj qee cov tshuaj sib xyaw ua ke los ua cov tshuaj uas muaj cov qauv cuam tshuam, uas tau siv los tiv thaiv cov khoom hlau los ntawm kev xeb hlau thiab oxidation.
7 Los ntawm hloov cov khoom siv hluav taws xob hauv hluav taws xob ntawm cov hlau lossis adsorbing rau nws, lub cim kev haus luam yeeb tuaj yeem txo thiab cov hlau tuaj yeem txhim kho.
8. Kev npaj ntawm corrosion -} tiv taus alloys: tuaj yeem siv los npaj qee qhov kev tiv thaiv corrosion- tiv taus alloys. Piv txwv li, nws tuaj yeem ntxiv ua ib qho ntawm alloy cov ntsiab lus rau stainless hlau lossis lwm yam corrosion {} {Resistant alloys ua kom lawv cov khoom lag luam tsis kam thiab cov kws kho tshuab.
9. Xeb cov roj pov thawj: nws tuaj yeem siv los npaj cov roj xeb los ntawm kev sib xyaw ua ke los tiv thaiv kev xeb thiab xeb ntawm cov hlau.
10. Composite anti {{{{{1} Corrosion Khoom: Siv tau rau lwm cov anti {2} Corrosion cov ntaub ntawv los npaj cov khoom siv los ua cov khoom siv corrosion. Piv txwv li, nws tuaj yeem ua ke nrog cov khoom xws li graphite thiab ceramics los ua cov ntaub ntawv sib xyaw nrog cov khoom siv corrosion zoo dua.
Cov ntsiab lus ntxaws ntxaws rau kev sib txuasP - naphtholenzeinLos ntawm cov hws tawm tsam siv 4-nitrophenol thiab benzaldehyde raws li cov ntaub ntawv raw yog raws li hauv qab no:
{{01. 4- nitrophenol: tseem hu ua P- nitrophenol, nws yog ib pawg organyl, nws yog ib pawg penolic hydroxyl thiab Nitro ua haujlwm pab pawg. Hauv kev sim, nws yog siv los ua ib qho ntawm cov ntaub ntawv raw los muab cov pab pawg phenolhoyl phenially.
2. Benzaldehyde: nws yog ib hom organic sib txuas nrog cov pab pawg aldehyde. Hauv qhov kev sim no, nws tau siv los ua lwm cov ntaub ntawv raw los muab cov pab pawg aldehyde rau cov tshuaj tiv thaiv hws nrog hauv 4-nitrophenol.
3. Anhydrous Eethanol: ethanol yog ib feem siv organic kuab tshuaj, siv kom yaj cov ntaub ntawv raw thiab cov khoom lag luam, thiab ua cov tshuaj tiv thaiv nruab nrab.
4. Mloog ntau cov roj ntsha roj sydrochloric: concentrated hydrochloric acid yog ib qho kev daws teeb meem ntawm hydrochloric acid, uas yog siv los muab ib puag ncig acidic los txhawb cov tshuaj tiv thaiv.
Mix 4-nitrophenol thiab abusete ethanol, ntxiv ib qho tsim nyog ntawm concrochloric acid, kub thiab do kom txog thaum yaj. Lub hom phiaj ntawm cov kauj ruam no yog kom yaj 4-nitrophenol hauv ethanol los npaj rau tom ntej kev tawm tsam. Nyob rau tib lub sijhawm, ib qho acidic ib puag ncig yog muab los ntawm kev ntxiv cov accrochloric acid los txhawb cov tshuaj tiv thaiv. Nws yuav tsum tau sau tseg tias cov tshuaj ntawm ethanlool thiab concentrated hydrochloric acid yuav tsum tau hloov kho raws li kev sim ua kom tawg thiab tswj cov acidants ib puag ncig.
Ntxiv Benzaldehyde rau cov kev daws teeb meem saum toj no, txuas ntxiv cua sov thiab nplawm, thiab tswj qhov kub txog li 80 degree. Lub hom phiaj ntawm cov kauj ruam no yog ua rau cov tshuaj tiv thaiv hws ntawm benzaldehyde thiab cov phenholog hydroxyl pawg ntawm 4} nitrophenol los tsim cov khoom hom phiaj. Thaum lub sijhawm ua cua sov thiab stirringing, PHIC nqi ntawm kev daws teeb meem yog ntes tau los ntawm kev kho cov nyiaj hauv hydrochloric acid los xyuas kom cov tshuaj tiv thaiv hydrochloric kom paub meej txog cov tshuaj tiv thaiv. Cov tshuaj tiv thaiv hws yog lub nucleophilic ntxiv, nyob rau hauv ib pawg aldehyde ua raws li lub nuclehile rau kev tawm tsam cov pab pawg phenolic hydroxyl ntawm 4-nitrophenol. Nyob rau hauv acidic tej yam kev mob, tshiab carbon-carbon-carbon-carbon-carbon pab tau tuaj yeem tsim los ntawm kev ua kom pom kev cuam tshuam kom tau cov khoom hom phiaj. Cov tshuaj tiv thaiv tshwj xeeb tshuaj yog raws li hauv qab no:
(C6H5)2Lub dib6H5(Oh) → (c6H5)2Lub dib9H6(Oh) + h2O
Thaum lub sij hawm cov txheej txheem ntawm cov tshuaj tiv thaiv, cov nqi sam tus nqi ntawm kev daws teeb meem tau raug kuaj pom tsis tu ncua. Thaum tus lej py hu rau 7 {- 8, cov cua kub nres thiab txias mus rau chav sov. Lub hom phiaj ntawm cov kauj ruam no yog los xyuas kom meej cov tshuaj tiv thaiv tiav thiab ua tiav. Qhov kev nce qib ntawm cov tshuaj tiv thaiv tuaj yeem raug txiav txim los ntawm kev kuaj pom tus nqi PH. Thaum tus nqi py ncav 7-8, cov tshuaj tiv thaiv yog yeej ua tiav. Tom qab cheem cua sov, txias rau chav sov los pab txhawb kev ua haujlwm tom ntej. Thaum lub sijhawm tus txheej txheem no, qee cov ethanol thiab dej yuav yaj, ua rau kev daws teeb meem kom dhau los ua kev xav ntau. Yog li ntawd, nws yog ib qho tsim nyog los ntxiv qhov tsim nyog ntawm ethanol lossis dej raws li qhov xwm txheej tiag tiag los kho qhov kev daws teeb meem kev nce qib ntawm cov haujlwm tom ntej.
Extract nrog dej thiab diethil ether, cais cov organic theem, thiab tom qab ntawd ntxuav nrog dej kom txog thaum nruab nrab. Lub hom phiaj ntawm cov kauj ruam no yog cais cov khoom los ntawm cov tshuaj tiv thaiv los ntawm kev rho tawm thiab ntxuav nws nrog tshuaj acidic tshuaj thiab lwm yam impurities. Raws li ib qho muaj zog organic, diethyl ether tau zoo ua rau dej thiab cov organic teeb meem, ua rau nws yooj yim cais thiab ntxuav. Cov khoom yog ntxiv ua kom huv ntxiv los ntawm ntau qhov kev rho tawm thiab ntxuav cov haujlwm. Nws yuav tsum tau sau tseg tias qhov sib piv thiab cov dej yuav tsum tau tswj kom tau tswj hwm kom cov txheej txheem rho tawm kom cov khoom lag luam tau ua tiav. Nyob rau tib lub sijhawm, thaum lub sijhawm ntxuav nrog dej rau neutrality, tus naj npawb ntawm cov dej ntxhua thiab cov dej yuav tsum tau tswj los tiv thaiv cov khoom lag luam los yog pov tseg.
Purify los ntawm kem chromatography tau txais cov khoom lag luam phiajP - naphtholenzeinCov. Lub hom phiaj ntawm cov kauj ruam no yog txhawm rau txhawm rau huv cov khoom thiab tshem tawm cov impurities thiab tsis paub cov ntaub ntawv raw. Kab lub chromatography yog ib qho kev sib cais ib txwm muaj thiab cov kev ua kom huv (tsim cov khoom sib txawv ntawm cov khoom siv chromatogrents thiab cov neeg sib txawv kom cais cov khoom sib xyaw ua ke. Thaum lub sijhawm cov txheej txheem chromatogy, cov tshuaj sib txawv yuav tau adsorbed ntawm cov qauv sib txawv raws li lawv cov qauv molecular thiab polarity, thiab tom qab ntawd eluent thiab sib cais los ntawm eluent. Los kho cov hom thiab cov xwm txheej ntawm adsorbent thiab eluent, ib qho kev sib cais zoo dua tuaj yeem tau txais, thiab cov khoom kawg tau. Kev ua txuas ntxiv thiab ziab yog xav tau rau kev siv tom ntej.
Cov txheej txheem kev ua haujlwm tshwj xeeb suav nrog:
1.
Thauj cov adsorbent rau hauv cov chromatographic kem kom txhua qhov sib xyaw kom sib xyaw yog adsorbent ntawm cov adsorbent nyob rau hauv lem.
2.
Tom qab ntawd siv cov neeg nyob ib xyoos los ua kom tsis txhob muaj kev pab tawm tsis txaus siab, thiab rov ua tus txheej txheem no kom txog thaum txhua tus tiv thaiv tau sib cais. Hauv cov txheej txheem no, hom thiab tus nqi ntawm adsorbent thiab eluent yuav tsum tau tswj hwm, thiab yam txaus ntshai ntawm eluent kuj yuav tsum tau tswj kom tau txais kev sib cais zoo dua.
3.
Cov khoom kawg yuav tsum tau ua thiab ziab rau kev siv tom ntej. Txoj kev kho mob xws li recrystallization thiab ziab tuaj yeem ua rau cov khoom ntshiab thiab tshem tawm cov impurities xws li noo noo thiab cov kuab tshuaj.
Dab tsi yog cov kev phiv los ntawm no compound no?
Daim tawv nqaij khaus thiab raug mob
Tej zaum yuav ua rau tawv nqaij khaus thiab txawm ua rau tawv nqaij puas tsuaj. Qhov no yog vim hais tias cov tshuaj yog corrosive lossis kev txob txob, thiab tej zaum yuav ua rau pom cov tsos mob xws li kev liab, mob khaus thaum sib cuag. Thaum muaj mob hnyav, nws yuav ua rau tawv nqaij lossis mob ulcer.
Qhov muag khaus thiab raug mob
Nws kuj tseem tuaj yeem ua rau muaj kev cuam tshuam loj thiab ua kev puas tsuaj rau lub qhov muag. Thaum cov khoom siv nkag mus rau hauv qhov muag, nws yuav ua rau pom cov tsos mob xws li liab, mob, kev rhuav tshem, thiab xiav lub zeem muag. Thaum muaj mob hnyav, nws yuav ua rau pob txha puas tsuaj lossis dig muag.
Kev thab plaub thiab raug mob
Nws kuj tseem tuaj yeem ua kom tawv nqaij thiab raug mob. Thaum cov tshuaj uas nqus tau rau hauv daim ntawv ntawm hmoov av, luam yeeb, lossis vapor, nws yuav ua pa rau cov pa ua pa xws li hnoos, ua pa nyuaj, thiab hawb pob. Thaum muaj mob hnyav, tej zaum nws yuav ua rau ua pa tawm lossis mob ntsws.
Lwm cov kev mob tshwm sim
Ntxiv nrog rau kev ua kom ncaj qha thiab kev puas tsuaj uas tau hais los saum toj no, nws kuj tseem tuaj yeem ua rau lwm cov kev mob tshwm sim. Piv txwv li, nws yuav cuam tshuam rau txoj haujlwm ntawm lub paj hlwb, ua rau pom kev tsis xis tshwm xws li mob taub hau, kiv taub hau, thiab tsaug zog. Tsis tas li ntawd, ntev- dua ntawm cov tshuaj no tej zaum kuj tseem yuav ua rau mob plab xws li kab mob siab thiab mob siab.
Kev Tiv Thaiv Cov Ntsuas thiab Kev Ceev Faj
Kev tiv thaiv tus kheej: Thaum muaj kev tiv tauj, tsim nyog cov cuab yeej tiv thaiv tus kheej yuav tsum hnav, xws li cov hnab looj tes tiv thaiv kev tiv thaiv, cov khaub ncaws tiv thaiv, thiab lub ntsej muag. Cov cuab yeej no tuaj yeem txo kev sib chwv ncaj qha ntawm cov tshuaj thiab daim tawv nqaij, txo qis kev khaus khaus thiab raug mob.
Qhov cua zoo: nyob rau hauv lub chaw ua haujlwm, qhov cua zoo yuav tsum raug tswj kom txo qis kom txo tau cov hmoov av, haus luam yeeb, lossis vapor. Qhov no pab txo qis kev pheej hmoo ntawm kev ua pa nyuaj thiab raug mob.
Kev Tiv Thaiv Cov Ntsuas thiab Kev Ceev Faj
Zam kev haus: Cov tshuaj no yuav tsum tsis txhob siv rau hauv cov zaub mov lossis tshuaj kom tsis txhob ua kom tsis txhob raug mob rau tib neeg lub cev. Nyob rau tib lub sijhawm, noj ntawm cov khoom yuav tsum zam lub sijhawm thaum ua haujlwm los tiv thaiv kev lom lossis raug mob.
Cov lus teb thaum muaj xwm ceev: Yog tias daim tawv nqaij lossis lub qhov muag nkag mus rau hauv dej kom ntau thiab nrhiav tau kev kho kom ntau li sai tau. Yog tias cov tshuaj tiv thaiv, tus neeg mob yuav tsum tau tsiv mus rau cov cua tshiab kom so thiab tswj lub ntsej muag ua pa zoo, thaum hu rau cov neeg ua haujlwm thaum muaj xwm txheej kub ntxhov ceev.
P {- naphtholenzein, tseem hu ua {{1} aphicol quiner, yog cov organial compound nrog ntau cov ntawv thov kev cia siab. Nws yog lub luag haujlwm tseem ceeb hauv teb zoo xws li kev tsom xam tshuaj, acid - boadsiatiatiatiates, thiab cov khoom siv nruab nrab. Hauv qab no yog nws txoj kev txhim kho zeem muag:
Kev tsim kho yav tom ntej
- Kev siv thev naus laus zis: yav tom ntej, kev tsim khoom lag luam tsim tawm los ntawm kev txhim kho cov txheej txheem ntau ntxiv, txhim kho cov nqi tsim khoom, txhim kho cov nqi ntau lawm.
- Kev ua lag luam nthuav dav: Nrog kev nce qib txuas ntxiv hauv kev lag luam xav tau, nws cov chaw lag luam lag luam nthuav dav ua lag luam thiab cov chaw thov kom tau raws li cov neeg siv khoom sib txawv.
- Kev tiv thaiv ib puag ncig thiab kev txhim kho kom ruaj khov: nyob rau hauv cov ntsiab lus ntawm kev nce ib puag ncig peb yuav them nyiaj ntau rau kev tiv thaiv ib puag ncig thiab kev txhim kho ib puag ncig. Txo qhov cuam tshuam rau ib puag ncig los ntawm kev npaj ua ib qho kev ua tiav cov ntaub ntawv nyoos, ua kom zoo dua cov txheej txheem kev ua haujlwm pov tseg.
- Kev koom tes hauv ntiaj teb no thiab kev sib pauv ntawm kev thoob ntiaj teb, cov lag luam ntau lawm yuav them ntau dua rau kev koom tes hauv ntiaj teb thiab kev sib pauv. Los ntawm kev sib koom tes nrog cov lag luam ua tau zoo dua thiab thev naus laus zis, peb lub hom phiaj qib siab thiab kev ua lag luam kev sib tw.
Cim npe nrov: P - naphthodzein CAS 145-6-6, cov chaw muag khoom, chaw tsim khoom, chaw lag luam, yuav, nqe, loj, rau muag