Cov tshuaj lom cov pa oxygen xav tau cov tubes faib

CODTHING yog qhov ntsuas tau zoo dua ntawm cov muaj kuab paug organic hauv kev siv cov dej khib nyiab uas muaj cov dej qab zib thiab cov hlau hnyav. Cod Kev Ntsuas Cov Nyiaj Txiag Cov Lus Teb Cov Lus Qhia sai sai los hloov cov xwm txheej ua ntej tseem ceeb.

2ML ntawm dej lossis dej khib nyiab ntxiv rau cov leeg pa oxygen thov cov raj uas muaj lub plab zom mov thiab ib qho catalyst. Aijiren yog cov khoom lag luam uas siv cov tshuaj uas xav tau cov raj ntawm Suav teb.

Tshuaj lom neeg cov pa dej (COD) Kev Ntsuas Cov Hlab yog cov cuab yeej tseem ceeb rau kev tsom xam lub nroog zoo, kev lag luam dav hauv ib puag ncig. Cov leeg tshwj xeeb yog tsim los kom cov neeg tiv thaiv kom kub thiab muaj mob hnyav thaum lub sij hawm cod ntawm lub plab zom mov. Cia peb ntsaub mus rau hauv cov yam ntxwv tseem ceeb thiab kev coj ua zoo tshaj plaws rau kev siv cov leeg ntsuas codes.

AIJIREN CODE TEST RUBE yog ua los ntawm borosilicate iav, uas tuaj yeem txo cov kuab lom thiab cov pa paug los ntawm dej qab zib iav. Lub khob zom zom cov raj raj kuaj cov raj tshuaj ntsuam xyuas tau tuaj yeem siv rau kev tsom xam ntawm qhov kub tshaj tshaj 130 degrees Celsius. Nws yog tsim los ntawm kev kuaj qhov chaw cia rau ntau lub hom phiaj dav dav thiab tuaj yeem tuav yuav luag txhua yam. Lub gasket yog ua los ntawm PTFE silicon roj hmab gasket, uas muaj kev sib tw muaj zog thiab tuaj yeem tiv thaiv ntau yam tshuaj lom neeg corrosion. Tus cod ntsuas raj yog me me nyob rau hauv loj me thiab lub teeb hauv qhov hnyav. Nws tuaj yeem kuaj tau yam tsis muaj lwm yam khoom siv kuaj thiab cov kws kho txuj ci; Nws tsuas yog siv sijhawm li 3-5 feeb los kuaj cov qauv, tsis muaj cov khoom siv ntxiv lossis cov twj paj nruag thiab yog qhov yooj yim ua haujlwm.

Zhejiang aucojiren thev naus laus zis, Inc. yog kev tshawb fawb txog cov chromatography, Chemical cov khoom siv ua kua nrog cov tshuaj tua hluav taws xob, thiab cov tshuaj schiver thiab cov tshuaj pleev pob zeb, thiab lwm yam; Dej kev tsom xam cov khoom xws li cov raj ntsuas cod ntsuas.

Nd24 toc ntsia hlau caj dab vials (ntshiab \ / amber) .available nrog dub lossis dawb ntsia hlau kaus mom nrog 24 hli xov
Ntawv pov thawj: CE, ISO
Lub raj mis saum toj: ntsia hlau caj dab
Khoom siv: iav
Pob loj: Pob ntawm 100
Muaj Peev Xwm Ntau Lawm: 5000000000pcs \ / Lub Limtiam
Cov Lus Qhia Tshwj Xeeb: 100pcs \ / Pob
Tube Inch: 16 hli

Aijiren ntshiab dej kev zom queedric ntsuas lub raj muaj 16mm xov qhib. Muaj ntau hom specifications, 9mL, 10ml, 12mL, 15ml. Lub neej ntawd yog 25 pcs \ / ua npuas thawv. Yog tias koj xav tau 100 pcs \ / thawv, thov hu rau tus thawj tswj khoom.

Aijiren yog cov khoom lag luam chromatography consumaphables, tuaj yeem muab HPROMALOGRY, HPLC koob txhaj tshuaj lim, EPA Vials, thiab lwm yam kev sim leeg.
Txhua qhov yuav tsum tau rau chromatography consumables, thov hu rau peb.

CODTHING yog qhov ntsuas tau zoo dua ntawm cov muaj kuab paug organic hauv kev siv cov dej khib nyiab uas muaj cov dej qab zib thiab cov hlau hnyav. Rau txhua qhov yuav tsum tau hais txog Cod leeg, thov qhia kuv.
Khoom npe: Cod leeg tsis muaj logo
OEM: muaj
Daim Ntawv Thov: Kev Ntsuam Xyuas Dej
Cov Khoom Siv: Borosilicate 3.3 iav
Kom muaj nuj nqis 100 rau ib chav
Daim Ntawv Pov Thawj: ISO9001

Qauv: Muab Dawb
Melting Taw tes: -7 ℃
Yav tas los toc-40-100
1.Nta ntswj ntsia hlau caj dab vials (ntshiab \ / amber).
2. Muaj nrog cov ntsia hlau dub lossis dawb ntsia hlau nrog 24 hli xov.
3. Muaj raws li kaw ntsia hlau ntsaws ruaj ruaj lossis nrog lub qhov nruab nrab.
4. Xwm PTFE \ / Xwm Silicone Septa 22 * ​​3 hli
Logo: customized txais
Ntawv pov thawj: CE, ISO

Nrog rau tus AIJiren Cod Tube xeem, txhua tus neeg siv tau yooj yim ua cov dej tsis muaj tseeb thiab raug. Lub sijhawm xav tau rau cov txheej txheem ntsuas tau zoo heev, tshwj xeeb tshaj yog rau cov qauv tsom xam thiab ntsuas kev txo cov haujlwm. Tus cod ntsuas lub raj muaj cov tshuaj pleev qhov tseeb ntawm reagent. Yog li ntawd, cov tshuaj lom ntau heev tau zam thiab ua haujlwm kev nyab xeeb yog kev txhim kho.

Cov neeg xav tau cov pa oxygen xav kom cov leeg los ntawm Suav teb AiJiren Tech.imiren yog cov khoom lag luam oxygen thov cov raj ntawm Suav.

Lub neej ntawd yog 25 pcs \ / ua npuas thawv. Yog tias koj xav tau 100 pcs \ / thawv, thov hu rau tus thawj tswj khoom.

Cod reagent vials pom nyob rau hauv: cod Tube kev ntsuam xyuas, cov threator REAsgent systems, eco uas yuav tsum tau hais txog cod reagent vials, thov hu rau Aijiren.

Cov tshuaj lom cov pa oxygen xav tau cov khoom siv yog qhov kev lag luam thib ob rau cov pa oxygen Generators.Neemiren yog cov khoom lag luam oxygen thov cov raj ntawm Suav.

Qhov qauv cell no muaj 25 × 95mm hauv qab, uas muab cov khoom ruaj khov rau ntawm kev kuaj thiab cov khoom kuaj. Tus qauv tsim tso cai rau kev sib luag hauv kev nthuav dav hauv spectrophotometers thiab lwm cov twj paj nruag, kom muaj kev ntsuas dua thiab muaj tseeb.

Tus cod ntsuas cov raj tsim los ntawm Aijiren feem ntau siv rau kev ntsuam xyuas tshuaj oxygen (COD) kev sim tshuaj rau oxidize cov tshuaj (suav nrog cov olidize) nyob rau hauv cov qauv dej. Raws li qhov ntsuas kub thiab sijhawm poob qis, qhov kev xeem yuav tsum muaj txoj kev no feem ntau tau siv raws li kev ntsuas ntawm cov organic orgeic.

Tus cod ntsuas cov raj tsim los ntawm Aijiren feem ntau siv rau kev kuaj cov dej zoo. Txhawm rau kom haum rau cov qauv sib txawv thiab cov khoom lag luam ntawm cov cav tov, Aijiren tau tshaj tawm cov raj loj loj. Lub caliber yog ib qho tsis zoo 16 hli, tab sis ob peb yog 9mL, 10mL, 12mL, 12mL thiab 15ml. Cov tsav tsheb ntsuas 9ML ntsuas muaj lub tiaj tiaj, lub sijhawm 10mL ntsuas lub hauv qab, thiab 12mL thiab 15ml cod Test muaj ib puag ncig.

AIJIREN CODE TEST RUBE yog ua los ntawm borosilicate iav, uas tuaj yeem txo cov kuab lom thiab cov pa paug los ntawm dej qab zib iav.  Lub khob zom zom cov raj raj kuaj cov raj tshuaj ntsuam xyuas tau tuaj yeem siv rau kev tsom xam ntawm qhov kub tshaj tshaj 130 degrees Celsius.  Nws yog tsim los ntawm kev kuaj qhov chaw cia rau ntau lub hom phiaj dav dav thiab tuaj yeem tuav yuav luag txhua yam. Tus cod ntsuas raj yog me me nyob rau hauv loj me thiab lub teeb hauv qhov hnyav. Cov siv cod tubetests muaj muaj zog sulfuric acid thiab lwm yam tshuaj, yog li reagents yuav tsum tau ua kom zoo zoo. 

Cod Xeem Tube muaj nyob rau hauv ob pob ntawm 25 pcs \ / box thiab 100 pcs \ / box. Cov neeg siv khoom tuaj yeem yuav raws li lawv tus kheej xav tau. Feem ntau hais lus, peb pom zoo kom yuav khoom hauv cov thawv kom ntseeg tau tias qhov yooj yim ntawm kev xa khoom. Ib qho ntxiv, Aijiren muab cov kev pabcuam customized, koj tuaj yeem kho lub tuam txhab lub logo ntawm lub raj.

Tshuaj lom neeg cov pa kev thov (COD) kev xeem yog ib txoj kev tseem ceeb rau kev tshuaj xyuas cov dej zoo, tshwj xeeb hauv kev kho kom zoo thiab saib xyuas ib puag ncig. COD TUAM ROJ YEEB YOOJ YOOJ YIM Cov txheej txheem, tab sis kev siv yog qhov tseem ceeb rau tau txais cov txiaj ntsig raug

Qauv: Muab Dawb
Melting Taw tes: -7 ℃
Yav tas los toc-40-100
1.Nta ntswj ntsia hlau caj dab vials (ntshiab \ / amber).
2. Muaj nrog cov ntsia hlau dub lossis dawb ntsia hlau nrog 24 hli xov.
3. Muaj raws li kaw ntsia hlau ntsaws ruaj ruaj lossis nrog lub qhov nruab nrab.
4. Xwm PTFE \ / Xwm Silicone Septa 22 * ​​3 hli
Logo: customized txais
Ntawv pov thawj: CE, ISO

Zhejiang aucojiren thev naus laus zis, Inc. yog kev tshawb fawb txog cov chromatography, Chemical cov khoom siv ua kua nrog cov tshuaj tua hluav taws xob, thiab cov tshuaj schiver thiab cov tshuaj pleev pob zeb, thiab lwm yam; Dej kev tsom xam cov khoom xws li cov raj ntsuas cod ntsuas.

Qhov loj me: 16 * 100 hli \ / 16 * 90mm \ / 16 * 125mm \ / 16 * 150 hli

Aijiren yog cov khoom lag luam chromatography consumaphables, tuaj yeem muab HPROMALOGRY, HPLC koob txhaj tshuaj lim, EPA Vials, thiab lwm yam kev sim leeg.
Txhua qhov yuav tsum tau rau chromatography consumables, thov hu rau peb.

2ML ntawm dej lossis dej khib nyiab ntxiv rau cov leeg pa oxygen thov cov raj uas muaj lub plab zom mov thiab ib qho catalyst. Aijiren yog cov khoom lag luam uas siv cov tshuaj uas xav tau cov raj ntawm Suav teb.

AIJIREN CODE TEST RUBE yog ua los ntawm borosilicate iav, uas tuaj yeem txo cov kuab lom thiab cov pa paug los ntawm dej qab zib iav. Lub khob zom zom cov raj raj kuaj cov raj tshuaj ntsuam xyuas tau tuaj yeem siv rau kev tsom xam ntawm qhov kub tshaj tshaj 130 degrees Celsius. Nws yog tsim los ntawm kev kuaj qhov chaw cia rau ntau lub hom phiaj dav dav thiab tuaj yeem tuav yuav luag txhua yam. Lub Cuaj Hlis yog ua los ntawm PTFE silicon roj hmab gasket, uas muaj qhov muaj zog sib khi kev ua tau zoo thiab tuaj yeem tiv thaiv ntau yam tshuaj lom neeg corrosion. Siv rau kev sim hauv chaw ua haujlwm hauv nroog; Kev ntsuas dej nyab thiab txheej txheem tswj kev ntsuas; Kuaj dej ib puag ncig. Cov siv cod tubetests muaj muaj zog sulfuric acid thiab lwm yam tshuaj, yog li reagents yuav tsum tau ua kom zoo zoo. Cov ntsiab lus ntawm cov yeeb nkab yuav tsum tau muab pov tseg raws li txoj cai ntawm cov tub ceev xwm hauv zos.

CODTHING yog qhov ntsuas tau zoo dua ntawm cov muaj kuab paug organic hauv kev siv cov dej khib nyiab uas muaj cov dej qab zib thiab cov hlau hnyav. Cod Kev Ntsuas Cov Nyiaj Txiag Cov Lus Teb Cov Lus Qhia sai sai los hloov cov xwm txheej ua ntej tseem ceeb.

Lub neej ntawd yog 25 pcs \ / ua npuas thawv. Yog tias koj xav tau 100 pcs \ / thawv, thov hu rau tus thawj tswj khoom.

Kev xa khoom sai, txhua yam khoom tuaj yeem xa tawm hauv 3-7days. Cov Qhales Qty yog nyob rau hauv Tshuag rau cov neeg siv khoom. Lub neej ntawd yog 25 pcs \ / ua npuas thawv. Yog tias koj xav tau 100 pcs \ / thawv, thov hu rau tus thawj tswj khoom.

Nd24 toc ntsia hlau caj dab vials (ntshiab \ / amber) .available nrog dub lossis dawb ntsia hlau kaus mom nrog 24 hli xov
Ntawv pov thawj: CE, ISO
Lub raj mis saum toj: ntsia hlau caj dab
Khoom siv: iav
Pob loj: Pob ntawm 100
Muaj Peev Xwm Ntau Lawm: 5000000000pcs \ / Lub Limtiam
Cov Lus Qhia Tshwj Xeeb: 100pcs \ / Pob
Tube Inch: 16 hli

Kev Siv: Kuaj Xyuas
5. Ib puag ncig tsom xam
Tube Inch: 16 hli
Keeb kwm: Suav
Qhov loj me: 16 * 100 hli
PTFE \ / Silicone Cap Septa

Tshuaj lom neeg cov pa dej (COD) Kev Ntsuas Cov Hlab yog cov cuab yeej tseem ceeb rau kev tsom xam lub nroog zoo, kev lag luam dav hauv ib puag ncig. Cov leeg tshwj xeeb yog tsim los kom cov neeg tiv thaiv kom kub thiab muaj mob hnyav thaum lub sij hawm cod ntawm lub plab zom mov. Cia peb ntsaub mus rau hauv cov yam ntxwv tseem ceeb thiab kev coj ua zoo tshaj plaws rau kev siv cov leeg ntsuas codes.

AIJIREN CODE TEST RUBE yog ua los ntawm borosilicate iav, uas tuaj yeem txo cov kuab lom thiab cov pa paug los ntawm dej qab zib iav.  Lub khob zom zom cov raj raj kuaj cov raj tshuaj ntsuam xyuas tau tuaj yeem siv rau kev tsom xam ntawm qhov kub tshaj tshaj 130 degrees Celsius.  Nws yog tsim los ntawm kev kuaj qhov chaw cia rau ntau lub hom phiaj dav dav thiab tuaj yeem tuav yuav luag txhua yam. Tus cod ntsuas raj yog me me nyob rau hauv loj me thiab lub teeb hauv qhov hnyav. Nws tuaj yeem kuaj tau yam tsis muaj lwm yam khoom siv kuaj thiab cov kws kho txuj ci; Nws tsuas yog siv sijhawm li 3-5 feeb los kuaj cov qauv, tsis muaj cov khoom siv ntxiv lossis cov twj paj nruag thiab yog qhov yooj yim ua haujlwm. Cov leeg kuaj no yog SGC ntawv pov thawj. Cov raj no tsuas siv tau ib zaug, yog li lawv tsis tuaj yeem siv rov qab. Nrog rau tus AIJiren Cod Tube xeem, txhua tus neeg siv tau yooj yim ua cov dej tsis muaj tseeb thiab raug.

Qhov qauv cell no muaj 25 × 95mm hauv qab, uas muab cov khoom ruaj khov rau ntawm kev kuaj thiab cov khoom kuaj. Tus qauv tsim tso cai rau kev sib luag hauv kev nthuav dav hauv spectrophotometers thiab lwm cov twj paj nruag, kom muaj kev ntsuas dua thiab muaj tseeb.

AIJIREN COD TUAM TEEV ​​KHWV yog ua los ntawm borosilicate iav, uas txo cov pH cov kev hloov pauv thiab ua tau kom muaj peev xwm ua kom cov paug tsis huv los ntawm dej qab-txiv qaub iav. Lub Cuaj Hli siv PTFE Silicone roj hmab gasket, uas muaj qhov muaj zog sib khi kev ua tau zoo thiab tuaj yeem tiv thaiv ntau yam tshuaj lom neeg corrosion. Lub cod ntsuas raj yog qhov me me, lub teeb hauv qhov hnyav, thiab tsis tuaj yeem rov qab siv dua.

Tus cod ntsuas cov raj tsim los ntawm Aijiren feem ntau siv rau kev kuaj cov dej zoo. Txhawm rau kom haum rau cov qauv sib txawv thiab cov khoom lag luam ntawm cov cav tov, Aijiren tau tshaj tawm cov raj loj loj. Lub caliber yog ib qho tsis zoo 16 hli, tab sis ob peb yog 9mL, 10mL, 12mL, 12mL thiab 15ml. Cov tsav tsheb ntsuas 9ML ntsuas muaj lub tiaj tiaj, lub sijhawm 10mL ntsuas lub hauv qab, thiab 12mL thiab 15ml cod Test muaj ib puag ncig.

AIJIREN CODE TEST RUBE yog ua los ntawm borosilicate iav, uas tuaj yeem txo cov kuab lom thiab cov pa paug los ntawm dej qab zib iav. Lub khob zom zom cov raj raj kuaj cov raj tshuaj ntsuam xyuas tau tuaj yeem siv rau kev tsom xam ntawm qhov kub tshaj tshaj 130 degrees Celsius. Nws yog tsim los ntawm kev kuaj qhov chaw cia rau ntau lub hom phiaj dav dav thiab tuaj yeem tuav yuav luag txhua yam. Lub gasket yog ua los ntawm PTFE silicon roj hmab gasket, uas muaj kev sib tw muaj zog thiab tuaj yeem tiv thaiv ntau yam tshuaj lom neeg corrosion. Tus cod ntsuas raj yog me me nyob rau hauv loj me thiab lub teeb hauv qhov hnyav. Nws tuaj yeem kuaj tau yam tsis muaj lwm yam khoom siv kuaj thiab cov kws kho txuj ci; Nws tsuas yog siv sijhawm li 3-5 feeb los kuaj cov qauv, tsis muaj cov khoom siv ntxiv lossis cov twj paj nruag thiab yog qhov yooj yim ua haujlwm.

16 hli iav cod Xeem Tube \ / cd Kev Xauv Cov Khaub Ncaws

Aijiren yog qhov loj tshaj plaws chromatography cov chaw tsim khoom hauv qab teb ntawm Suav teb. Muaj HPLC Vial, GC Vial, Septum thiab kaw, EPA Vial, ToC Vial, ReGent Fwj thiab koob txhaj rau hauv lub khw Aijiren. Koj tuaj yeem tau txais tag nrho cov consumables hauv nqe lag luam. Thov xaiv cov koj xav tau nyob rau hauv cov catalog kho kom meej.

Cov tshuaj lom cov pa oxygen xav tau cov khoom siv yog qhov kev lag luam thib ob rau cov pa oxygen Generators.Neemiren yog cov khoom lag luam oxygen thov cov raj ntawm Suav.

AIJIREN CODE TEST RUBE yog ua los ntawm borosilicate iav, uas tuaj yeem txo cov kuab lom thiab cov pa paug los ntawm dej qab zib iav.  Lub khob zom zom cov raj raj kuaj cov raj tshuaj ntsuam xyuas tau tuaj yeem siv rau kev tsom xam ntawm qhov kub tshaj tshaj 130 degrees Celsius.  Nws yog tsim los ntawm kev kuaj qhov chaw cia rau ntau lub hom phiaj dav dav thiab tuaj yeem tuav yuav luag txhua yam. Tus cod ntsuas raj yog me me nyob rau hauv loj me thiab lub teeb hauv qhov hnyav. Cov siv cod tubetests muaj muaj zog sulfuric acid thiab lwm yam tshuaj, yog li reagents yuav tsum tau ua kom zoo zoo. 

Tus cod ntsuas cov raj tsim los ntawm Aijiren feem ntau siv rau kev ntsuam xyuas tshuaj oxygen (COD) kev sim tshuaj rau oxidize cov tshuaj (suav nrog cov olidize) nyob rau hauv cov qauv dej. Raws li qhov ntsuas kub thiab sijhawm poob qis, qhov kev xeem yuav tsum muaj txoj kev no feem ntau tau siv raws li kev ntsuas ntawm cov organic orgeic.

Cov neeg xav tau cov pa oxygen xav kom cov leeg los ntawm Suav teb AiJiren Tech.imiren yog cov khoom lag luam oxygen thov cov raj ntawm Suav.

Cod reagent vials pom nyob rau hauv: cod Tube kev ntsuam xyuas, cov threator REAsgent systems, eco uas yuav tsum tau hais txog cod reagent vials, thov hu rau Aijiren.

Nrog rau tus AIJiren Cod Tube xeem, txhua tus neeg siv tau yooj yim ua cov dej tsis muaj tseeb thiab raug. Lub sijhawm xav tau rau cov txheej txheem ntsuas tau zoo heev, tshwj xeeb tshaj yog rau cov qauv tsom xam thiab ntsuas kev txo cov haujlwm. Tus cod ntsuas lub raj muaj cov tshuaj pleev qhov tseeb ntawm reagent. Yog li ntawd, cov tshuaj lom ntau heev tau zam thiab ua haujlwm kev nyab xeeb yog kev txhim kho.

Aijiren ntshiab dej kev zom queedric ntsuas lub raj muaj 16mm xov qhib. Muaj ntau hom specifications, 9mL, 10ml, 12mL, 15ml. Lub neej ntawd yog 25 pcs \ / ua npuas thawv. Yog tias koj xav tau 100 pcs \ / thawv, thov hu rau tus thawj tswj khoom.

2ml chromatography vials rau HPLC. Aijiren 2mL chromatography vials muaj customized cov kev pabcuam xws li cov xim ntawm PP cim thiab cov chaw sau npe, thiab cov neeg siv khoom lag luam npe lag luam.

Aijiren ntsuam xyuas cov leeg nrog cov rims yog tsim los ntawm borosilicate iav 3.3 ua kom zoo rau lawv cov kev lag luam lag luam.
Cov ntaub ntawv pov tseg: kev pov tseg
Qhov loj me: 16x125 hli
Cov cim lag luam: AIJIREN
Raj ntev: 125mm
Phab Ntsa Thickness: 1.2mm

Kev xav tau ntau yam, tshuaj lom cov kev txiav txim siab oxygen: COD COLGESGENT HEEV: 20 -1500 mg \ / l Cod 150 \ / xeem muaj Mercury. 150 \ / xeem muaj Mercury.

16 hli iav cod Xeem Tube \ / cd Kev Xauv Cov Khaub Ncaws
Khoom siv: High borosilicate iav
Hauv qab: puag ncig hauv qab \ / ca hauv qab
Qhov loj me: 16 * 100 hli \ / 16 * 90mm \ / 16 * 125mm \ / 16 * 150 hli
Cov kev ntsuas ntawm daim ntawv thov: Cod ntsuas rau kev kuaj tshuaj rau cov tshuaj, thiab lwm yam

CODTHING yog qhov ntsuas tau zoo dua ntawm cov muaj kuab paug organic hauv kev siv cov dej khib nyiab uas muaj cov dej qab zib thiab cov hlau hnyav. Rau txhua qhov yuav tsum tau hais txog Cod leeg, thov qhia kuv.
Khoom npe: Cod leeg tsis muaj logo
OEM: muaj
Daim Ntawv Thov: Kev Ntsuam Xyuas Dej
Cov Khoom Siv: Borosilicate 3.3 iav
Kom muaj nuj nqis 100 rau ib chav
Daim Ntawv Pov Thawj: ISO9001

Thaum siv cod ntsuas cov leeg, peb feem ntau txhaj cov qauv uas yuav tsum tau kuaj mus rau hauv lub raj ntsuas thiab co lub raj siv zog kom ncua tag nrho cov av. Tshem tawm lub hau ntawm cov raj cod ntsuas thiab ntxiv 2 ml ntawm cov qauv siv pipette.