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umphunga

I-Rotavapor

i-rotary-evaporator

Yintoni i-rotavapor?

The umphunga sisixhobo soxinaniso sesampulu yolwelo olukhawulezayo, olulungele imifuniselo efana nokusebenza kwe-reflux, ukuguquka komphunga okukhawulezayo kwenani elikhulu lezinyibilikisi, uxinaniso lwamalungu omkhondo, kunye nenkqubo yokusabela efuna ukuvuselela, ukudilizwa okuqhubekayo kwezinyibilikisi eziguquguqukayo phantsi kweemeko zoxinzelelo, njl. I-evaporator ye-Rotary idla ngokuqulunqwa yi-motor ejikelezayo, ibhotile ye-distillation, ibhotile yokubuyisela, ibhodwe lokufudumeza, i-tube yokudibanisa, njalo njalo. Kuvavanyo, isampulu ifudunyezwa kwisingxobo seglasi esingqukuva ukuze ithotywe kwaye isoloko ijikeleziswa ukuze kwandiswe indawo yokuphuphuma komphezulu kwaye ikhawulezise ukuvela komphunga.

The i-evaporator ejikelezayo yenye esetyenziswa rhoqo izixhobo zaselebhu. Isetyenziswa ikakhulu kwicandelo lophando lwamayeza kunye nophuhliso kunye nemveliso yamayeza, ishishini lemichiza, i-biopharmaceutical, kunye neelebhu zophando lwezenzululwazi kwiiyunivesithi zekhemistri, ikhemesti, ubunjineli bezinto eziphathekayo, i-biomolecules, ukutya, ukulawula izifo malunga nobuchwepheshe boxinaniso, icrystallization, ukomisa, ukwahlukana, kunye nokubuyiswa kwe-solvent. I-evaporator ejikelezayo yimveliso eqhelekileyo kwiilabhoratri zophando lwe-organic chemistry. Kuloo mizi-mveliso, ii-evaporator ezijikelezayo zifuneka ngokubanzi ezinomoya ongangeni moya ongaphantsi kwe-100pa (1m bar).

Ubume be-rotavapor

The i-distillation flask yiflaski emile njengesityalo seqanda okanye engqukuva esezantsi enomdibaniso womlomo wokusila. Idityaniswe kwimpompo yokunciphisa uxinzelelo ngokuvula enye yombhobho we-reflux ophezulu we-serpentine condenser. Olunye uvulo lombhobho we-reflux ophezulu we-serpentine condenser uqhagamshelwe kwiflask yokufumana ukuchola isinyibilikisi se-organic esiphuphumayo. Phakathi kombhobho we-condense kunye nempompo yokunciphisa, kukho ipiston yeendlela ezintathu. Xa isixokelelwano sesixhobo sinxibelelene nomoya ojikeleze umhlaba, iflaski yedistillation kunye neflaski eyamkelayo inokususwa kunye ukuhambisa isinyibilikisi. Xa inkqubo yesixhobo iqhagamshelwe kwimpompo yoxinzelelo, kufuneka ibekwimeko yoxinzelelo.

Ngaphambi kokusetyenziswa, i i-rotoap kufuneka ithotywe, kwaye emva koko utshintshe i-motor ukuguqula i-distillation flask. Ngaphambi kokugqiba umsebenzi, i i-vacuum evaporator ejikelezayo kufuneka ivalwe kuqala kwaye emva koko idlulise iatmosfera ukunqanda ukuba iflaski yedistillation ingawi ngokujikeleza. Njengomthombo wobushushu we-distillation, ihlala ixhotyiswe nge-sink ehambelanayo yobushushu.

Amanqaku kwiiFlaski zeDistillation

i-distillation-flask
1. Xa ishushu kwi a i-distillation flask, ubungakanani be-liquid akufanele budlule i-2/3 yevolumu kwaye ingabi ngaphantsi kwe-1/3 yayo nayo.

2. I-flask kufuneka ibekwe kumnatha we-asbestos xa ifudumala ukuze ifudumale ngokulinganayo. Inokufudunyezwa nakwezinye iibhafu ezishushu.

3. Xa isetyenziswe kunye nezixhobo zokulinga, iiplagi zerabha ezifanelekileyo kufuneka zikhethwe. Okwangoku, nikela ingqalelo ekhethekileyo ekujongeni ukungangeni komoya kakuhle kwayo.

4. Xa une-distillation, kungcono ukongeza inani elincinci le-zeolite okanye i-porcelain ephukile phantsi kwebhotile kwangaphambili ukukhusela ukubilisa.

5. Emva kwe-distillation, ipiston kufuneka ivalwe kuqala ngaphambi kokuyeka ukufudumeza ukuthintela ukufunxa isampuli kumatshini.

6. Indawo ekuyo ibhalbhu yemercury kwithemometha kufuneka igungxulwe ngomphetho ongezantsi wokuphuma kweflaski yedistillation xa unedistillation.

Isebenza njani i-rotavapor?

Ii-evaporator ezijikelezayo zisetyenziswa ikakhulu ngokuqhubekayo ukunyibilika ubuninzi bezinto ezinyibilikayo eziguquguqukayo phantsi koxinzelelo. Ingasetyenziselwa ukwahlula kunye nokucoca iimveliso zokusabela eziveliswa luxinaniso lolwelo olutsalwayo okanye i-distillation yolwelo olufumanayo ngexesha lokwahlulwa kwechromatographic.

Umgaqo osisiseko we i-evaporator ejikelezayo ivacuum distillation. Indawo yokubilisa yolwelo kwi-evaporator iyatshintsha ngokotshintsho kuxinzelelo lwangaphandle. Ngenxa yokuba impompo yokucoca ithoba uxinzelelo lwangaphakathi kwinkqubo yesixhobo, indawo yokubila yolwelo iyathotywa nayo, kwaye izinto eziya kuba zishushu, zifakwe i-oxidized, okanye zenziwe ipolymerized ngaphambi kokuba zifike kwindawo yokubilisa ngexesha le-distillation ye-atmospheric zinokuchithwa ngaphambi kokuba zifakwe. ibolile. Emva koko, umphunga we-solvent upholiswa yi-condenser yeglasi esebenzayo kwaye iphinda isetyenziswe kwibhotile yokuqokelela, ephucula kakhulu ukusebenza kakuhle kokuqhuma.

Ngolawulo lwe-elektroniki, i-flask ijikeleza ngesantya esifanelekileyo esifanelekileyo sokwandisa indawo yokuqhuma. I-flask ye-distillation igcinwe kwisimo soxinzelelo oluphantsi lwempompo yokucoca ukuyivumela ukuba ijikeleze kwaye ishushu kwindawo yokuhlambela amanzi kwiqondo lokushisa elifanayo. Isisombululo kwi-flask siyafudumala kwaye sisasazwe ukuba sibe ngumphunga phantsi kwe-sub-pressure kwi-flask ejikelezayo. Inkqubo ye-evaporator ejikelezayo inokutywina ukunyibilika ukuya kuma-400 ~ 600 MMHG. Ukuba i-solvent kwibhotile ye-distillation ishushu kwibhafu yokufudumeza, ubushushu bokufudumala bulingana nendawo yokubilisa. 

Ngexesha elifanayo, inokujikelezwa ngesantya se-50 ~ 160 RPM ekhokelela kwi-solvent ukuba yenze ifilimu encinci kwaye inyuse indawo yokukhupha i-evaporation ethetha ukuba i-flask ye-distillation ijikeleza rhoqo ngexesha lenkqubo ye-distillation. Ukongeza, ngokusebenzisa isixhobo esipholileyo esisebenza kakuhle kakhulu, umphunga oshushu unokunyibilika ngokukhawuleza, nto leyo enyusa izinga lokumka kwamanzi.
i-rotoap

Indlela yokusebenzisa i-rotavapor?

1. Vula iyunithi ye-cryogenic coolant circulation.
Ekuqaleni, cofa amandla.
Isibini, cofa iqhosha lesikhenkcisi ukuthoba ubushushu bangaphakathi.
Isithathu, vula isixhobo somjikelezo xa sikwiqondo lobushushu elifunekayo.

2. Vula isixhobo esijikelezayo.

3. Faka i-distillation flask kwaye uyikhusele ngeeclamps. Emva koko uvule impompo yokucoca amanzi ajikelezayo okanye impompo yokucoca i-anti-corrosion diaphragm, kwaye ujikelezise i-distillation flask xa kukho umlinganiselo omncinci we-vacuum.

4. Ngokutsho komsebenzi kufuneka ulungelelanise ukuphakama kwe-distillation flask height, isantya sokujikeleza kunye nokuseta ubushushu obufanelekileyo bokuhlamba kwamanzi.

5. Xa ugqibile ukutshaya, umqhubi kufuneka ayeke ukujikeleza kuqala kwaye adibanise nomoya, emva koko amise umpompo, kwaye ekugqibeleni asuse i-flask ye-distillation.

6. Misa impompo ejikelezayo ye-cryogenic kunye nebhafu yokufudumeza amanzi.

7. Vala ipompo yamanzi ejikelezayo kwaye uthele i-solvent kwibhotile yokufumana. Emva koko hlamba ibhola yesithinteli kunye nebhotile yokufumana.

Izaziso ze-rotavapor

1. Phambi koqhaqho, kufuneka utsale ivacuum ibe malunga ne-0.03mpa kuqala. Emva koko vula ukujikeleza ukukhusela i-distillation flask ekutyibilikeni.
Xa umisiwe, umqhubi kufuneka aqale ayeke ukujikeleza kwaye abambe i-flask ye-distillation, adibanise isixhobo kunye ne-atmosphere, kwaye angayeki impompo yokucoca de i-vacuum degree yehla malunga ne-0.04mpa. Emva koko misa impompo yokufunxa, ukuze ibhotile yedistillation ingawi okanye ifunxe.

2. Ujongano ngalunye, umphezulu wokutywina, umsesane wokutywina, kunye nokudibanisa kufuneka kugqunywe kancinane ngegrisi yokucoca phambi kofakelo.

3. Amanzi kufuneka afakwe phambi kokuba itanki yokufudumeza ilayite. Ukutshisa okomileyo ngaphandle kwamanzi akuvumelekanga.

4. Ukuba idigri yevacuum iphantsi kakhulu, nikela ingqalelo kwi-joint, i-vacuum tube kunye nebhotile yeglasi.

5. Xa i-air-sensitive material ijikeleziswa, ibhola ye-nitrogen kufuneka idibaniswe kwi-port yokukhupha kwaye emva koko i-nitrogen kufuneka idluliselwe ukukhupha umoya kwisixhobo esiphuphumayo. Ibhotile yesampuli kufuneka idityaniswe kwisixhobo esiphuhliweyo emva koko. Emva kokugqiba ukuphunga, kuyimfuneko ukukhupha i-nitrogen ukunyusa uxinzelelo, uze ucime impompo, susa ibhotile yesampuli kwaye uyitywine.

6. Ukuba isampuli incangathi kakhulu, isixhobo kufuneka sijikelezwe kancinci okanye ngesandla ukwenza umgangatho omtsha wolwelo ukuququzelela ukuvela kwe-solvent.

Indlela yokuthenga i-rotavapor?

IMBALI Kunika izixhobo zelebhu, ilebhu enokusetyenziswa, izixhobo zokuvelisa kwicandelo lezenzululwazi zobomi.
Ukuba unomdla kuthi umphunga okanye unombuzo, nceda ubhale i-imeyile ku-info@antiteck.com, siya kukuphendula ngokukhawuleza.


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