Cov khoom lag luam
Dab tsi yog P-Xylenolphhatalein?
P-XilenolphthaleIn feem ntau tshwm sim raws li lub teeb dawb rau teeb daj crystalline hmoov. Nws cov tsos tuaj yeem siv kom paub qhov txawv nws los ntawm qee cov kua lossis lwm yam khoom sib txawv ntawm cov xim sib txawv thiab cov duab. Txawm li cas los xij, yog tias nws cuam tshuam los ntawm lub teeb, huab cua thiab lwm yam, nws cov xim yuav hloov me ntsis. P-Xilenolphthalein muaj solubility nyob rau hauv dej, yog me ntsis soluble hauv dej txias, yog soluble hauv dej kub. Nws tuaj yeem yog yaj nyob rau hauv cov kuab organic xws li ethanol, ether, benzene, thiab chloroform, qhia qee yam lipophilic thiab hydrophobic cov khoom.
Cov Lus Qhia Yooj Yim
| Melting taw tes | 276 Degree |
|---|---|
| Kub taw tes | 569.6 {{0. 0 degree (kwv yees) |
| Ceev | 1.27 {0} ± 0.06 g \/ cm3 (kwv yees) |
| Cia temp. | Inert huab cua, chav tsev kub |
| so | Solubility insoluble hauv dej; soluble hauv ethanol, acetone |
| puab | hmoov |
| pa kua muag | 9.7 (ntawm 25 degree) |
| xim | Daj ntseg daj lossis cream-xim |
| Ph ntau | Tsis muaj kob (9. {0) rau indigo-xiav (10.5) |
Kev siv
- Tshuaj lom neeg tsom xam cov teb: P-Xylenolphthalein nws tus kheej yog ib qho teeb meem acidator. Nws yuav qhia cov xim sib txawv xim nyob rau hauv cov chaw sib txawv. Nws feem ntau tsis muaj xim hauv cov tshuaj acidic thiab hloov liab dawb hauv cov kev daws teeb meem alkaline.
- Organic synthemes raw cov ntaub ntawv: nws kuj tseem tuaj yeem siv ua ke nrog cov pab pawg ua ke, siv cov qauv orgoxy lossis cov qauv orgoxy lossis cov qauv organco rau cov qauv molecular rau cov hws lossis hloov pauv.
- Kev tshawb fawb thiab kev sim: Hauv Biochemistry lossis Tshuaj Kho Mob Siv Tshuaj, nws tuaj yeem siv cov kws ua haujlwm ua haujlwm, nws tuaj yeem siv cov kev ntsuas kev ua haujlwm lossis ua tus qauv sib txuas los pab mechanism.
Cia Kev Tiv Thaiv
P-Xilenolphthalein xav tau muab cia rau hauv qhov chaw txias, qhuav, muaj qhov cua zoo. Nws yuav tsum nruj me ntsis kom deb ntawm lub hnub ci thiab qhov kub thiab txias ib puag ncig los tiv thaiv nws cov sublimation, oxidation lossis kev lom zem vim qhov kub ntau dhau. Qhov tsim nyog cia kub feem ntau feem ntau pom zoo kom ua nruab nrab ntawm {2}} degrees. Nyob rau tib lub sijhawm, nws yuav tsum tau ceev tseg ntawm hluav taws, chaw sov thiab lwm yam uas yuav ua rau muaj kev txaus ntshai.
Tuam txhab tau
Gneebioyog cov kws tshaj lij tshuaj lom neeg tsim khoom lag luam thiab cov neeg faib khoom thoob ntiaj teb. Peb lub tuam txhab nyob hauv Henan xeev, Suav. Peb muaj ntau tus khub chemical customories hauv Henan, npog thaj tsam ntawm 3,600 square metres, suav nrog kev sib xyaw, rov qab, thiab xa tawm.
Peb kub muagkhoomsuav nrog cov ntxhiab hydrocarbons (Naphtha (roj av), Benzene, Toluene, O-XYYLENE, Styrene, Cyclohexane, cyclohexanone, eprolactam,}}}}} (ethylene glycol, {2}} butanol,2- methyl -1-} propanol, Ethyl cawv, thiab lwm yam), phenols thiab ketones (Phenol, Propafenone,Bisphenol a, Phenyl methacrylate, methyl iroobutyl ketone, ntaub phenolico, thiab lwm yam), thiab petrochemicals. Peb muab cov ntaub ntawv txhawb nqa, suav nrog COA (daim ntawv pov thawj ntawm kev tsom xam) thiab ncav toj sau npe rau EU ua raws li kev ua raws li EU. Peb vam tias yuav tsim kev sib koom tes ntev thiab muaj kev sib koom tes hauv lub neej yav tom ntej thiab muab cov khoom lag luam zoo tshaj plaws rau peb cov neeg siv khoom.
ThovTiv Tauj PebYog tias koj xav tau.
Cov FAQ
1.Yog koj cov tuam ntxhab?
A: Yog, peb yog cov kws tshaj lij kev lag luam hauv Henan, Suav teb txij li xyoo 2016. Txais tos kom tuaj saib peb lub Hoobkas rau kev ncua ntev.
2. Koj ua li cas koj thiaj paub tseeb tias koj cov khoom lag luam thiab kev pabcuam zoo?
A: Txhua yam ntawm peb cov txheej txheem nruj me ntsis ua raws li 0 9001}}} Cov txheej txheem thiab peb tau nruab nrog lub xeev ntawm cov tswj kev tsim qauv.
3. Yuav ua li cas txog thawj lub sijhawm?
A: Feem ntau, tsis pub dhau 10 hnub, raws li kev txiav txim kom muaj nuj nqis.
4. Yuav ua li cas txog kev them nyiaj?
A: Peb txhawb nqa feem ntau cov kev them nyiaj. T \/ T, L \/ C, D \/ P, D \/ A, O \/ A, Nyiaj Ntsuab, Western Union, Nyiaj Gram, thiab lwm yam.
5. Koj puas tuaj yeem xa cov qauv dawb?
A: Yog, peb tuaj yeem xa cov qauv dawb rau cov khoom lag luam feem ntau, thov xa mus nug rau cov kev thov tshwj xeeb.
6. Koj puas muab cov kev pab txhawb rau cov khoom?
Yog lawm, peb muaj cov kws tshaj lij pab txhawb pab pawg thiab tuaj yeem muab cov kev daws teeb meem tshwj xeeb rau peb cov neeg siv khoom.
Cim npe nrov: P-XylenolphHaleItin CAS 50984-88-8}}}}, Suav P-Xylenolphhatalein CAS}} Cov chaw tsim khoom, cov chaw tsim khoom, Hoobkas
