Uas muaj lub siab zoo thiab vam meej rau cov neeg siv khoom lub siab nyiam, peb lub koom haum tas li txhim kho peb cov khoom lag luam zoo kom txaus siab rau cov neeg siv khoom lub siab nyiam thiab tsom mus rau kev nyab xeeb, kev ntseeg siab, kev thov ib puag ncig, thiab kev tsim kho tshiab ntawm Tuam Tshoj Lag Luam Wholesale Tuam Tshoj Mudanjiang Fengda H2c2o4 99.6 Industrial Grade Dihydrate Price Ethanedioic Oxalic Acid, Peb lub lag luam tswj kev lag luam zoo thiab suab sib xyaw los ntawm qhov tseeb thiab kev ncaj ncees los pab kom muaj kev sib cuam tshuam ntev nrog peb cov neeg yuav khoom.
Uas muaj lub siab zoo thiab vam meej rau cov neeg siv khoom lub siab nyiam, peb lub koom haum pheej txhim kho peb cov khoom zoo kom txaus siab rau cov neeg siv khoom lub siab nyiam thiab tsom mus rau kev nyab xeeb, kev ntseeg siab, kev xav tau ib puag ncig, thiab kev tsim kho tshiab ntawm, Ntxiv mus, tag nrho peb cov kev daws teeb meem yog tsim nrog cov khoom siv siab heev thiab cov txheej txheem QC nruj kom ntseeg tau tias zoo. Yog tias koj xav tau ib qho ntawm peb cov khoom, xyuas kom tseeb tias koj tsis yig tiv tauj peb. Peb yuav ua peb qhov zoo tshaj plaws kom tau raws li koj xav tau.

Cov Lus Nug Feem Ntau

Xav tau kev pab? Nco ntsoov mus saib peb cov rooj sib tham txhawb nqa kom tau cov lus teb rau koj cov lus nug!

Peb puas tuaj yeem luam peb lub logo rau ntawm cov khoom?

Tau kawg, peb ua tau. Tsuas yog xa koj lub logo tsim rau peb.

Koj puas txais cov xaj me me?

Yog. Yog tias koj yog ib lub khw muag khoom me me lossis pib ua lag luam, peb yeej txaus siab loj hlob nrog koj. Thiab peb tab tom nrhiav rau pem hauv ntej kom ua haujlwm nrog koj rau kev sib raug zoo mus sij hawm ntev.

Tus nqi li cas? Koj puas ua tau kom pheej yig dua?

Peb yeej ib txwm xav txog qhov zoo ntawm cov neeg siv khoom ua qhov tseem ceeb tshaj plaws. Tus nqi tuaj yeem sib tham tau raws li ntau yam xwm txheej, peb paub tseeb tias koj yuav tau txais tus nqi sib tw tshaj plaws.

Koj puas muab cov qauv dawb?

Zoo siab uas koj sau tau cov kev tshuaj xyuas zoo rau peb yog tias koj nyiam peb cov khoom thiab kev pabcuam, peb yuav muab qee cov qauv dawb rau koj ntawm koj qhov kev txiav txim tom ntej.

Koj puas xa tau raws sijhawm?

Tau kawg! peb tshwj xeeb hauv kab no tau ntau xyoo, ntau tus neeg siv khoom ua ib daim ntawv cog lus nrog kuv vim peb tuaj yeem xa cov khoom raws sijhawm thiab khaws cov khoom zoo tshaj plaws!

Kuv puas tuaj yeem mus xyuas koj lub tuam txhab thiab lub Hoobkas hauv Suav teb?

Tseeb. Koj zoo siab tos txais koj tuaj xyuas peb lub tuam txhab hauv Zibo, Suav teb. (1.5H tsav tsheb los ntawm Jinan)

Kuv tuaj yeem tso qhov kev txiav txim li cas?

Koj tuaj yeem xa peb cov lus nug rau ib tus neeg sawv cev muag khoom kom tau txais cov ntaub ntawv qhia txog kev txiav txim, thiab peb yuav piav qhia txog cov txheej txheem kom ntxaws. Txoj Kev Sib Txuas Oxalic acid Carbon Monoxide
Txoj Kev Sib Txuas Ua Kua Oxalic Acid
Txoj kev no thaum xub thawj siv PdCl₂–CuCl₂–CuCl ua tus catalyst los ua cov kua dej catalytic coupling reaction ntawm carbon monoxide, oxygen, thiab ethanol ntawm 12 MPa thiab 115 ° C los tsim diethyl oxalate. tau siv Pd/C ua tus catalyst los ua cov coupling reaction ntawm ethanol (lossis butanol) nrog carbon monoxide thiab oxygen nyob rau hauv qhov muaj alkyl nitrite los tsim diethyl oxalate (lossis dibutyl oxalate). Cov qauv tshuaj tiv thaiv sib xws yog:
4CO+4C2H5OH+O2=2(COOC2H5)2+2H2O
4CO+4C4H9OH+O2=2(COOC4H9)2+2H2O