Cov tshuaj acetonitrile

Peb yog ib lub tuam txhab loj tshaj plaws acrylic acid thiab acrylic ester manufacturers hauv Suav teb. Lub tuam txhab tau dhau ISO9000 daim ntawv pov thawj zoo thoob ntiaj teb thiab ISO 14000 ib puag ncig kev tswj hwm daim ntawv pov thawj.

Xa kev nug

Khoom Taw qhia

Vim li cas thiaj xaiv KAITAI

Kev paub nplua nuj:Txij li thaum tsim xyoo 2004, peb tau tsom mus rau cov khoom lag luam acrylate rau ze li 20 xyoo thiab tam sim no muaj ntau tshaj 1, 000 cov neeg ua haujlwm, suav nrog ntau tshaj 100 R&D cov neeg ua haujlwm.

Quality Assurance:Peb yog ib lub tuam txhab loj tshaj plaws acrylic acid thiab acrylic ester manufacturers hauv Suav teb. Lub tuam txhab tau dhau ISO9000 daim ntawv pov thawj zoo thoob ntiaj teb thiab ISO 14000 ib puag ncig kev tswj hwm daim ntawv pov thawj.

Kev Pabcuam Kev Ua Haujlwm:Cov neeg ua haujlwm pabcuam hauv online 24 teev hauv ib hnub, teb sai sai thiab ua tib zoo mloog rau txhua tus neeg yuav khoom xav tau. Peb yuav sim peb qhov zoo tshaj plaws kom tau raws li qhov xav tau ntawm cov neeg yuav khoom feem ntau, thiab tsis muaj qhov txiav txim yam tsawg kawg nkaus.

Kev xa khoom sai:Peb cov acrylic acid esters raug muag thoob plaws ntiaj teb. Lub sij hawm xa tuaj ib txwm tom qab tso qhov kev txiav txim yog 10-15 hnub. Peb tuaj yeem xa cov khoom rau cov neeg siv khoom sai thiab nyab xeeb, thiab tau txais kev qhuas los ntawm cov neeg siv khoom.

Dab tsi yog Acetonitrile

Acetonitrile, feem ntau hu ua MeCN (methyl cyanide), yog cov tshuaj sib xyaw nrog cov mis CH3CN thiab cov qauv H3C-C≡N. Cov kua tsis muaj xim no yog cov organic nitrile uas yooj yim tshaj plaws (hydrogen cyanide yog ib qho yooj yim nitrile, tab sis cov cyanide anion tsis yog cov organic). Nws yog tsim los ua ib qho byproduct ntawm acrylonitrile manufacturing. Nws yog siv los ua ib qho polar aprotic hnyav hauv cov organic synthesis thiab hauv kev ua kom huv ntawm butadiene. N≡C-C pob txha yog linear nrog luv C≡N nrug ntawm 1.16 Å.

Yam khoom

Dawb Roj Muaj Qib

Cov Roj Dawb Muaj Qib yog qhov ua kom txias txias zoo; nws absorbs tshav kub thiab dissipates nws sai. Nws yog siv nyob rau hauv cov dej txias rau transformers, compressors, thiab lwm yam muaj machinery.

Glacial Acrylic Acid

Hauv kev lag luam textile, GAA yog siv los tsim cov acrylic fibers, uas yog lub teeb yuag, mos, thiab sov. Cov fibers yog siv rau hauv cov khaub ncaws, pam vov, thiab upholstery fabrics.

Acrylic Acid

Nws raug suav hais tias yog ib qho kev nyab xeeb dua rau cov tshuaj lom cov organic xws li formaldehyde thiab benzene, uas tau pom tias muaj kev phom sij rau kev noj qab haus huv hauv ntau qhov kev tshawb fawb.

Butyl Acrylate

Butyl Acrylate muaj cov viscosity tsawg, ua rau nws yooj yim dua los sib xyaw nrog lwm yam tshuaj. Qhov qis viscosity ua rau nws zoo tagnrho rau siv hauv textile daim ntaub ntawv.

Methyl Acrylate

Methyl Acrylate yog thawj monomer rau kev tsim cov copolymer, xws li methyl acrylate-butadiene-styrene (MABS), methyl acrylate-styrene (MAS), thiab methyl acrylate-ethylene glycol dimethacrylate (MA-EGDMA).

Cov tshuaj acetonitrile

Acetonitrile muaj qhov kub tsis tshua muaj kub, uas ua rau nws yooj yim tshem tawm ntawm cov tshuaj tiv thaiv sib tov. Nws yog cov kuab tshuaj tsis-polar uas dissolves tsis-polar tebchaw, ua rau nws yog ib qho kev xaiv zoo tshaj plaws rau cov tshuaj tiv thaiv uas tsis yog-polar solutes.

Acrylonitrile

Acrylonitrile yog siv los tsim polypropylene fiber (ie hluavtaws fiber ntau acrylic), acrylonitrile butadiene styrene yas (ABS), styrene yas thiab acrylamide (acrylonitrile hydrolysate).

Dawb Roj Khoom Noj Qib

Cov Roj Dawb Khoom Noj Qib tuaj yeem ua haujlwm ntau yam hauv kev lag luam thiab cov khoom sib txawv. Nws tuaj yeem ua cov roj nplua nyeem, cov cab kuj, cov yas yas, ua npuas dej, cov pwm tso tawm tus neeg sawv cev, surfactant, hnyav, thiab ntau lub luag haujlwm.

Lub cev khoom ntawm Acetonitrile

Qhov tshwm sim	Ntshiab, tsis muaj kob, volatile kua
Qhov ceev g / cm3	0.956
Freezing point degree	-45
Kub taw tes (760mmHg) degree	81.1
Flash point degree	12 0 degree
Cov ntsiab lus tawg nrog huab cua: Pem teb txwv vo1%	4.4
Explosion point nrog huab cua: superior txwv vo1%	16

Cov khoom siv tshuaj ntawm Acetonitrile

Cov tshuaj tiv thaiv nrog Concentrated HCl

Thaum ib nrab hydrolysis ntawm acetonitrile nyob rau hauv txias concentrated HCl, acetamide khoom yog tsim. Thaum ua tiav hydrolysis, nws tsim cov carboxylic acid.

Cov tshuaj tiv thaiv nrog Phenyl Magnesium Bromide

Nitriles teb nrog Grignard reagent los tsim ketones. Nitriles, RC≡N, teb nrog Grignard reagents los yog organolithium reagents los muab ketones. Qhov muaj zog nucleophilic organometallic reagents ntxiv rau C≡N daim ntawv cog lus zoo ib yam li qhov pom ntawm aldehydes thiab ketones.

Kev siv Acetonitrile

Cov ntaub ntawv pib

Ntau tus xaiv acetonitrile ua cov khoom pib rau kev sib txuas ntau yam tshuaj. Cov no suav nrog:

Acetomidine
Thiamine
Alpha-naphthyl acetic acid
Acetophenone

Solvent

Cov khw muag tshuaj feem ntau siv acetonitrile ua cov kuab tshuaj feem ntau. Lawv molding thiab cam khwb cia cov ntaub ntawv yas siv qhov no, lawv spin fibers nrog acetonitrile, thiab lawv siv nws rau extracting fatty acids los ntawm zaub roj thiab tsiaj txhu thiab kuj nyob rau hauv lithium roj teeb. Acetonitrile kuj yog ib yam khoom tseem ceeb rau cov chaw soj nstuam tshuaj uas siv los txheeb xyuas ntau yam ntaub ntawv, suav nrog cov tshuaj tua kab.

Extractive Distillation

Kev lag luam petrochemical siv acetonitrile nyob rau hauv extractive distillation. Organic compound thiab acetonitrile muaj kev xaiv miscibility thiab qhov no yog vim li cas nws yog ib qho kev xaiv nrov rau kev lag luam niche. Lawv siv nws cais C4-hydrocarbons thiab olefin-diolefin sib tov.

Kev tshem tawm kev daws teeb meem

Koj tuaj yeem siv acetonitrile rau tshem tawm phenols, xim teeb meem thiab tars los ntawm roj av hydrocarbons. Acetonitrile thiab cov ntsiab lus hais tsis yog soluble.

Laboratory Solvent

Cov chaw soj ntsuam kuj feem ntau siv acetonitrile ua cov kuab tshuaj rau crystallizing ntau yam tshuaj. Koj tseem yuav pom cov tshuaj no nquag siv HPLC tsom xam ua cov kuab tshuaj.

Kev npaj ntawm Acetonitrile - C2H3N los yog CH3CN

Los ntawm kev tsim acrylonitrile, nws tau txais los ntawm cov khoom lag luam. Nws kuj tseem tuaj yeem ua ke los ntawm hydrogenation ntawm kev sib xyaw ntawm carbon monoxide lossis lub cev qhuav dej ntawm acetamide thiab ammonia. Ib txoj kev tau nthuav tawm nrog kev tsim kho rau kev npaj siab purity Acetonitrile los ntawm acetic acid thiab ammonia los ntawm ob kauj ruam uas muaj ob kauj ruam hauv qab no:

01/

Neutralizing acetic acid thiab ammonia los tsim ammonium acetate.

02/

Sib tov aqueous tov ntawm ammonium acetate thiab gaseous ammonia, preheating thiab ua kom cov sib tov nkag mus rau hauv ib lub txaj ruaj reactor uas tau sau nrog ib tug catalyst aluminium oxide rau cov tshuaj tiv thaiv los tsim acetonitrile uas muaj cov roj sib xyaw, tom qab tsis tu ncua refining cov roj peb tau txais cov ntshiab Acetonitrile.

Acetonitrile vs. Methanol rau Reverse Phase Chromatography

Absorbance
LC qib acetonitrile zoo haum rau HPLC-UV kev soj ntsuam, vim nws muaj qhov qis tshaj ntawm UV wavelengths. Nws kuj tseem muaj viscosity tsawg, siab elution zog, thiab miscibility hauv dej.

Siab
Lub siab rau methanol nce thaum sib xyaw nrog dej, tab sis tsis ntau rau acetonitrile. Yog li ntawd, muab tib lub ndlwg tus nqi, acetonitrile-raws li kev daws teeb meem siv tsawg dua rau hauv kem.

Elution Strength
Acetonitrile muaj zog elution ntau dua methanol rau reversed-theem chromatography.

Kev xaiv
Selectivity nyiam sib txawv raws li qhov hnyav ntawm tus neeg siv. Methanol yog cov kuab tshuaj polar-protic, thaum acetonitrile yog cov kuab tshuaj polar aprotic thiab muaj lub zog dipole lub sijhawm.

Peak Shape
Rau cov tebchaw xws li salicylic acid (phenol nrog carboxyl lossis methoxy pawg nyob rau hauv txoj hauj lwm ortho), acetonitrile tuaj yeem ua rau cov tailing tseem ceeb, uas tuaj yeem cuam tshuam los ntawm kev siv methanol.

Mobile Phase Degassing
Thaum methanol sib xyaw nrog dej, cov tshuaj tso tawm cov cua sov, uas ua kom yooj yim tso tawm cov cua npuas, tsis zoo li acetonitrile, uas ua kom qhov kub thiab txias los ntawm kev nqus cua sov.

Kev kis rau Acetonitrile cuam tshuam rau koj txoj kev noj qab haus huv

Lub Sijhawm Luv (Acute) Effects:

Acetonitrile kua thiab vapor tuaj yeem ua rau lub qhov muag, qhov ntswg, caj pas thiab lub ntsws.
Kev cuam tshuam rau acetonitrile tuaj yeem ua rau tuag taus cyanide lom thaum nws hloov mus rau cyanide hauv lub cev. Cov tsos mob ntawm tus kab mob tshwm sim zoo li cyanide raug thiab tuaj yeem suav nrog cov xim liab ntawm daim tawv nqaij, cov tub ntxhais kawm dilated, mob taub hau, xeev siab thiab ntuav, kiv taub hau, tsis muaj zog, nruj ntawm lub puab tsaig qis, ntxhov siab, mob thiab nruj hauv siab, ua pa nrawm thiab mem tes, tsis xwm yeem. lub plawv dhia, ua tsis taus pa luv, convulsions, tsis nco qab thiab tuag.

Long Term (Chronic) Cov teebmeem:

Kev loj hlob ntawm cov thyroid caj pas tuaj yeem nyob rau lub hlis lossis xyoo.
Mob taub hau, loog, anorexia / tsis qab los noj mov, kiv taub hau, tsis muaj zog thiab tshee tuaj yeem tshwm sim.
Kev mob ntawm daim tawv nqaij tuaj yeem tshwm sim.
Cov kev tshawb fawb tsiaj pom tau hais tias raug acetonitrile tuaj yeem ua rau muaj kev yug me nyuam ntau ntxiv thiab qis dua qhov hnyav. Tsis muaj ntaub ntawv qhia txog qhov tshwm sim ntawm kev yug menyuam hauv tib neeg. Txawm li cas los xij, cov poj niam cev xeeb tub yuav tsum tsis txhob sib cuag nrog acetonitrile.
Kev cuam tshuam rau acetonitrile tuaj yeem cuam tshuam rau daim siab, ntsws, ob lub raum thiab hauv nruab nrab lub paj hlwb.

Kev Ua Haujlwm Ua Haujlwm Ceev faj ntawm Acetonitrile

Label txheej txheem ntim.
Muab cov ntaub ntawv txaus ntshai thiab kev cob qhia cov neeg ua haujlwm.
Saib xyuas airbome tshuaj concentrations.
Siv engineering tswj yog tias muaj ntau tshaj qhov raug pom zoo.
Muab qhov dej ntxuav qhov muag thiab da dej thaum muaj xwm ceev.
Ntxuav los yog da dej yog tias daim tawv nqaij los ntawm cov khoom muaj teeb meem.
Ib txwm ntxuav thaum kawg ntawm kev ua haujlwm.
Hloov mus rau hauv cov khaub ncaws huv yog tias cov khaub ncaws ua paug.
Tsis txhob nqa cov khaub ncaws tsis huv hauv tsev.
Tau txais kev cob qhia tshwj xeeb los ntxuav khaub ncaws tsis huv.
Tsis txhob noj, haus luam yeeb, lossis haus dej hauv thaj chaw uas muaj tshuaj lom neeg, ua tiav lossis khaws cia.
Ntxuav tes kom zoo ua ntej noj mov, haus luam yeeb, haus dej haus, siv tshuaj pleev ib ce lossis siv chav dej.
Ua ntej nkag mus rau hauv qhov chaw kaw qhov chaw uas Acetonitrile tuaj yeem tshwm sim, xyuas kom paub tseeb tias tsis muaj cov khoom tawg.

Yuav khaws Acetonitrile li cas

Raws li yog cov ntaub ntawv nrog rau feem ntau volatile tshuaj, acetonitrile yog tshwj xeeb yog yooj yim rau lub teeb thiab tshav kub raug. Acetonitrile yuav tsum khaws cia kom deb ntawm tshav ntuj, vim nws tuaj yeem ua rau lub cev degrade cov tshuaj.

Vim tias nws yog Class IB Flammable Liquid, acetonitrile yuav tsum khaws cia rau hauv ib puag ncig qis dua 73 degrees.

OSHA cov kev cai hais txog cov tshuaj yuav tsum tau khaws cia rau hauv cov khoom cua hauv cov thawv ntim hlau kaw.

Lub tuam txhab Honour

Shandong Kaitai yog ib qho loj tshaj plaws acrylic acid thiab acrylic ester manufacturers nyob Suav teb. Nws tau txais lub teb chaws "Peb Qhov Systems" ntawv pov thawj thiab yog Shandong Provincial Acrylate Engineering Technology Research Center.

product-1130-248

Peb lub Hoobkas

Shadong Kaitai tam sim no muaj ntau dua 1,000 cov neeg ua haujlwm, suav nrog ntau dua 100 tus neeg ua haujlwm R&D thiab 200 tus neeg ua haujlwm nrog cov haujlwm nruab nrab thiab laus.

product-1112-121

Cov lus nug nquag

Q: Dab tsi yog acetonitrile siv rau?

A: Acetonitrile yog siv los ua tshuaj, tshuaj tsw qab, khoom siv roj hmab, tshuaj tua kab, acrylic ntsia thawv tshem tawm thiab roj teeb. Nws kuj yog siv los extract fatty acids los ntawm tsiaj thiab zaub roj. Ua ntej ua haujlwm nrog acetonitrile, kev cob qhia cov neeg ua haujlwm yuav tsum tau muab cov txheej txheem kev nyab xeeb thiab khaws cia.

Q: Dab tsi yog qhov teeb meem ntawm acetonitrile?

A: Acetonitrile yog tshuaj lom rau tib neeg. Kev noj tshuaj yog qhov tsis zoo nyob rau hauv ib txwm muaj. Kev nqus tau ntawm acetonitrile tuaj yeem ua rau khaus ntawm daim tawv nqaij thiab qhov nqus tau ntau dua tuaj yeem ua rau lub ntsej muag, lub hauv siab nruj, tsis muaj zog, xeev siab, ntuav, convulsions, ua pa luv thiab tuag.

Q: Puas yog acetonitrile yog cov kua qaub lossis lub hauv paus?

A: Acetonitrile tsis tuaj yeem raug cais raws li cov kua qaub lossis ua lub hauv paus. Nws tsis muaj cov cim acidic; Nws yog tag nrho txuas rau nws cov protons, thiab nws tsis yooj yim rau txais electrons. Tsuas yog tus cwj pwm tseem ceeb acetonitrile muaj yog tias nws cov nitrogen muaj lub siab nyiam pub nws ib leeg electron khub.

Q: Puas yog acetonitrile zoo ib yam li acetone?

A: Tag nrho cov acetonitrile thiab acetone yog cov organic tebchaw, nrog cov qauv tshuaj sib txawv thiab lub cev thiab tshuaj lom neeg. Acetonitrile yog nitrile compound, thaum acetone yog ketone.

Q: Puas yog acetonitrile lub hauv paus muaj zog?

A: Nyob rau hauv lub xub ntiag ntawm ib tug muaj zog aqueous puag, xws li NaOH los yog KOH, acetonitrile, ib tug hnyav hnyav nyob rau hauv cov organic synthesis, muaj peev xwm yuav hydrolyzed uas yuav kis tau mus rau hauv lub runaway cov tshuaj tiv thaiv.

Q: Vim li cas acetonitrile yog cov kuab tshuaj zoo?

A: Acetonitrile yog ib qho hnyav hnyav hauv nws cov solvability, piv rau cawv. Zoo li cawv, nws tsis yog tus pub ntawm hydrogen bonds tab sis yog ib qho kev lees txais muaj zog ntawm hydrogen bonds. Acetonitrile nitrogen yog qhov yooj yim heev, tab sis hauv qhov kev hwm no, nws tuaj yeem ua nucleophilic heev, zoo ib yam li pyridine.

Q: Lwm lub npe rau acetonitrile yog dab tsi?

A: Acetonitrile tseem hu ua Cyanomethane lossis Methane Carbonitrile. Nws lub npe IUPAC yog Acetonitrile. Nws yog nitrile uas yog hydrogen cyanide qhov twg hydrogen (H) hloov los ntawm ib pawg methyl (-CH3).

Q: Puas yog acetonitrile teeb meem rau daim tawv nqaij?

A: Cov tsos mob tshwm sim muaj xws li qaug zog, yaug, mob taub hau, ua pa nyuaj thiab / lossis ua pa nrawm, xeev siab, ntuav, raws plab, xiav-grey ntawm daim tawv nqaij thiab daim di ncauj (vim tsis muaj oxygen), stupor, thiab tsis nco qab. Acetonitrile yog khaus heev rau qhov muag thiab khaus me ntsis rau ntawm daim tawv nqaij.

Q: Puas yog acetonitrile hlawv tawv nqaij?

A: Daim tawv nqaij ua mob yog tias nqus los ntawm daim tawv nqaij. Tej zaum yuav ua rau tawv nqaij khaus. Qhov muag Ua rau qhov muag kub hnyiab. Hlawv nyob rau hauv ib tug chemical incinerator nruab nrog ib tug afterburner thiab scrubber, tab sis siv kev saib xyuas ntxiv nyob rau hauv igniting vim cov khoom no yog heev flammable.

Q: Ntau npaum li cas acetonitrile yog tshuaj lom?

A: Acetonitrile muaj TLV-TWA ntawm 40 ppm (67 mg / m3), nrog rau lub sij hawm luv luv (STEL) ntawm 60 ppm (101 mg / m3), pom zoo kom tiv thaiv cov organic cyanide lom thiab raug mob rau lub ntsws. daim ntawv.

Q: Puas yog acetonitrile yog carcinogen?

A: Lub National Toxicology Program (NTP) tau ua tiav 2-xyoo txoj kev nqus pa carcinogenesis ntawm acetonitrile thiab txiav txim siab tias muaj cov pov thawj sib npaug ntawm carcinogenicity hauv txiv neej nas, thiab tsis muaj pov thawj ntawm txiv neej lossis poj niam nas lossis hauv cov nas poj niam. EPA tau faib cov acetonitrile ua pawg D, tsis tuaj yeem cais raws li tib neeg carcinogenicity.

Q: Dab tsi yog cov tshuaj tiv thaiv rau acetonitrile?

A: Acetonitrile metabolizes rau hauv cyanide tshaj 2 mus rau 8 teev, yog li cov tsos mob lossis cov tsos mob ntawm toxicity tuaj yeem ncua sij hawm tom qab kis tau. Xav txog cyanide antidote raws li kev kho mob qhia, xws li sodium thiosulfate thiab sodium nitrate.

Q: Dab tsi yog pH ntawm acetonitrile?

A: Piv txwv li hauv acetonitrile (cov kuab tshuaj siv dav hauv cov organic thiab analytical chemistry) qhov nruab nrab pH yog ca 19, hauv sulfuric acid ca 1.5. Cov pH qhov tseem ceeb hauv cov kuab tshuaj sib txawv, qhia hauv lawv cov nplai, yog qhov tsis sib piv. Lub pH 19 hauv acetonitrile sib haum los ntawm nws cov acidity zoo nkauj rau pH 7 hauv dej.

Q: Puas yog acetonitrile corrosive rau hlau?

A: Nrog me me txoj kab uas hla qhib yog tsis tshua muaj kev cuam tshuam rau corrosion los ntawm ntau reversed-theem blends. Ob qho kev daws teeb meem acetonitrile thiab methanol reacted nrog 316 stainless hlau qhov chaw, feem ntau ua rau cov khoom tsis ua haujlwm hauv 24 txog 48 teev.

Q: Dab tsi kev lag luam yog acetonitrile siv hauv?

A: Kev lag luam kws tshuaj. Acetonitrile, tseem hu ua cyanomethane lossis methyl cyanide, yog cov kua tsis muaj xim. Acetonitrile yog cov organic nitrile feem ntau ua los ntawm cov khoom ntawm acrylonitrile. Nws yog dav siv nyob rau hauv kev lag luam kws tshuaj raws li ib tug tshuaj solvent, reagent, los yog extraction hnyav.

Q: Koj ua li cas acetonitrile?

A: Ib hom kev tsim khoom ntawm acetonitrile, tau ua rau acetic acid thiab ammonia ua cov roj theem cov tshuaj tiv thaiv nyob rau hauv lub xub ntiag ntawm zeolite catalyst thiab cov roj theem cov txheej txheem ntawm aqueous crude acetonitrile yog tau, Foregoing zeolites catalyst muaj oxygen octatomic nplhaib pore qauv.

Q: Puas yog acetonitrile evaporate?

A: Lwm txoj hauv kev ziab acetone yog khov-drying. Kev ziab acetone yog ib txoj hauv kev tshem tawm cov kuab tshuaj los ntawm kev sib tov. Nws tuaj yeem ua tiav nrog dej npau npau, cua, lossis cua sov. Piv txwv li, acetonitrile yog evaporated kom txog thaum nws yog roj thiab ces khov.

Q: Puas yog acetonitrile hloov mus ua cyanide?

A: Acetonitrile maj mam hloov mus rau cyanide, ua rau qeeb toxicity. Peb piav qhia txog qhov xwm txheej ntawm kev txhob txwm ua rau nws tus kheej raug tshuaj lom los ntawm tus poj niam muaj hnub nyoog 39- xyoo uas ua rau muaj tshuaj lom cyanide 11 teev tom qab uas tau ua tiav zoo los ntawm kev rov ua dua boluses ntawm sodium nitrite thiab thiosulphate.

Q: Koj puas paub acetonitrile li cas?

A: Cov txheej txheem ib txwm siv rau kev ua kom huv ntawm acetonitrile feem ntau cuam tshuam nrog kev co ua ntej nrog qhov txias, saturated aqueous daws ntawm poov tshuaj hydroxide, npaj kom tshem tawm cov acetic acid, ua raws li rov qab distillation ntawm phosphorus pentoxide kom txog thaum cov seem tsis muaj Ionger xim (txiv kab ntxwv los yog dub) .

Q: Koj ua li cas ntxuav acetonitrile?

A: Yog tias muaj qhov nchuav tsawg dua 100ml tshwm sim, siv lub tshuab nqus pa (pom hauv cov khoom nchuav) lossis daim ntawv phuam kom nqus cov kua. Yaug qhov chaw nrog dej tom qab nqus. Thov hnav cov cuab yeej tiv thaiv tus kheej pom zoo thaum ntxuav qhov nchuav.

Q: Vim li cas acetonitrile siv hauv HPLC?

A: Absorbance: Me me nrog acetonitrile rau HPLC. Qhov me dua qhov nqus ntawm cov kuab tshuaj organic siv nyob rau hauv theem mobile yog, qhov me dua lub suab nrov hauv kev tshawb pom UV ua. Yog li ntawd, acetonitrile rau HPLC yog qhov tsim nyog rau kev tsom xam siab nyob rau hauv luv luv UV wavelengths.

Q: Puas tuaj yeem acetonitrile sib xyaw nrog dej?

A: Acetonitrile yog miscible nrog dej ntawm txhua qhov sib piv hauv ib puag ncig. Txawm li cas los xij, acetonitrile-dej sib tov yog sib cais rau acetonitrile-nplua nuj thiab dej nplua nuj theem los ntawm kev txias los yog ntxiv ntsev, xws li NaCl.

Q: Puas yog acetonitrile nqus UV?

A: Thaum siv huab cua los ua cov khoom siv, ntsuas UV absorbance ntawm acetonitrile qis dua qhov siv dej raws li kev siv, thiab feem ntau tsis zoo ntawm lub wavelengths xws li 400 txog 250 nm.

Cim npe nrov: Tuam Tshoj acetonitrile lwm tus neeg, manufacturers

Tug

Acrylonitrile

Tom ntej

Acrylonitrile

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