Cov khoom lag luam
Phenol (tseem hu ua carbolic acid) yog qhov muaj ntxhiab tsw qab, feem ntau yog cov muaj qab zib lossis cov khoom noj muaj sia muaj sia muaj sia muaj sia muaj sia tsis muaj sia?
|
Tshuaj Cov Qauv |
C6H6O |
| Tus hniav loj | 94.113 g / mol |
| Kev tshwm sim | Pob tshab Crystalline Khoom |
| Tus ntxhiab | Qab zib thiab tarry |
| Ceev | 1.07 g / cm3 |
| Melting taw tes | 40.5 Degree (104.9 Degree F; 313.6 K) |
| Kub taw tes | 181.7 Degree (359.1 Degree F; 454.8 k) |
|
Solubility hauv dej |
8.3 G / 100 ml (20 degree) |
| phau ntawv ceev xwmP | 1.48 |
| Vapor siab | 0.4 mmhg (20 degree) |
| Acidity (PKa) |
9.95 (hauv dej), 18.0 (hauv dmo), 29.1 (hauv acetoniturile) |
| Conjugate puag | Phenoxide |
| UV-VIS (λtus zuag) | 270.75 nm |
|
Lub caij dipole |
1.224 D |
Kev siv
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Phenol yog cov khoom siv raw yog qhov tseem ceeb heev . nws tuaj yeem tsim nrog formaldehyde los synthesise Phenhologe Cov Rhais; Nws kuj tseem tuaj yeem hloov kho tshuaj hloov kho kom ua hluavtaws ntau yam txuj ci.
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Hauv thaj teb tshuaj, carbolic acid plays lub luag hauj lwm lub luag hauj lwm . Qhov tsis muaj kev daws teeb meem tau siv ua tshuaj tua kab mob; Nyob rau tib lub sijhawm, raws li kev siv yeeb tshuaj series, nrog nws cov khoom pib tuaj yeem suav tshuaj aspirin thiab lwm yam tshuaj.
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Hauv lwm qhov kev lag luam, Phenol muaj ntau yam ntawm kev siv . hauv kev lag luam roj hmab kom txuas lub neej ntawm cov khoom lag luam roj hmab; Nyob rau hauv synthesis ntawm dyestuffs, nws yog siv los ua ib qho tseem ceeb raw los ua cov pawg chromogenic {}}
Hom tau txais txiaj ntsig ntawm Gneegio:
1. Zoo} Cov nqi siab zoo, tus nqi sib tw, kev pabcuam zoo.
2.} nws yog cov neeg siv txoj cai xaiv lub pob .
3. Nws yog tus neeg siv khoom txoj cai xaiv cov kev ntim rau lawv cov khoom los ntawm kev ntim khoom tsis ntev los no.
{{04. Tshwj xeeb} Cov ntaub ntawv tshwj xeeb yog tau thaum tus neeg xaj xaj yog qhov loj txaus, suav nrog cov cai txo qis.
5. Peb lub tuam txhab tau cog lus tseg kom xa cov neeg siv khoom pob rau nws txhais tes kom tau kev ploj thiab kev ua haujlwm tsis txaus thiab ua haujlwm rau hauv.
Tuam txhab tau
Gnee tshwj xeeb hauv kev lag luam kev lag luam thoob ntiaj teb thiab tau teeb tsa nws cov sights ntawm kev ua ib qho kev sib tw thoob ntiaj teb {}}
Lub tuam txhab muaj ntau caum qhov kev paub hauv kev tsim thiab muag cov tshuaj zoo, muab cov tshuaj organic, biochemicals, cov khoom lag luam .
Peb muaj cov kws tshaj lij R & D Team . Peb pab neeg ntau dua 200}
Peb ua raws li lub hauv paus ntsiab lus ntawm "ua ib qho zoo ua ntej" thiab tau teeb tsa cov qauv ntsuas kom nruj rau txhua theem ntawm txhua theem ntawm cov txheej txheem ntau lawm.
Saib xyuas cov tshuaj xyuas zoo saib xyuas cov txheej txheem ntau lawm ntawm txhua cov khoom lag luam kom ntseeg tau tias qhov zoo tshaj plaws tshuaj lom neeg .
Txais tos tiv tauj peb kom paub meej ntxiv, peb yuav muab koj tus nqi sib tw tshaj plaws!
Cov FAQ
Q: Yuav ua li cas kom tau kuaj?
A: Thov xa koj qhov chaw nyob, peb tau txais txiaj ntsig los muab cov qauv rau koj .
Q: Cov ntsiab lus them nqi twg koj txais?
A: Rau kev txiav txim me me, koj tuaj yeem them nyiaj los ntawm T / T, Western Union lossis Paypal Or West lossis Paypal Order los ntawm peb lub tuam txhab nyiaj .
Q: Koj MOQ yog dab tsi?
A: Rau cov khoom lag luam siab, peb moq pib los ntawm 1G thiab feem ntau pib txij li 10gs {2} {{Pib los ntawm 100g pib ntawm 100 {5 5}
Q: Koj puas tuaj yeem muab tus nqi luv nqi rau kuv?
A: Muaj tseeb, tus nqi yog sib ceg nyob rau hauv cov xwm txheej sib txawv, peb muaj kev xav kom koj tau txais tus nqi sib tw tshaj plaws {}}
Q: Yuav ua li cas txog cov ntim?
A: Feem ntau peb muab lub ntim li 25 kg / hnab lossis cov neeg siv khoom siv rau lawv, peb yuav raws li cov neeg thov khoom lag luam:}}
Cim npe nrov: Muaj Qeb Muaj Qeb Cov Tshuaj Lom Cov Phils Phenol Cas {}}} C6h6o, Tuam Tshoj Muaj Qeb Cov Khoom Noj Phem Phaj C6h6o, Tuam Tshoj} C6h6o Cov Chaw Tsim Tshuaj, Chaw Tsim Tshuaj C6h6o