Cov lus qhia
| Zog: | Muaj xim tsis muaj kob cov ntawv crystal zoo li tus hmoov lossis crystalline |
| Naj3: | 40% min |
| Clarity: | 5# |
| Dej insoluble: | 0.001% max |
| The ignition residue: | 0.001% max |
| Chloride (CL): | 0.0001% max |
| Sulphate (yog li ntawd4): | 0.0005% Max |
| : | 0.0005% Max |
| Cov hlau hnyav (PB): | 0.0001% max |
Cov Ntawv Thov
1. Nruab Nrab hauv urea ntau lawm
Kev siv thawj zaug hauv kev lag luam ua ib nrab hauv synthesis ntawm urea ntawm ammonia thiab carbon dioxide.
Urea tau dav siv ua nitrogen chiv thiab nyob rau hauv resins, plastics, thiab kws tshuaj.
2. Nitrogen Fertilizer (Tsawg Ncaj Kev Siv)
Txawm hais tias tsawg dua urea, ammonium carbamate kuj tseem siv ncaj qha los ntawm cov nitrogen rau cov nroj tsuag, tshwj xeeb hauv kev tswj hwm lossis cov ntawv thov tshwj xeeb.
Nws cov kev txiav txim siab ceev rau hauv ammonia thiab carbon dioxide tso cov nroj tsuag-muaj nitrogen.
3. Tshuaj Synthesis
Siv los ua reagent lossis reactant nyob rau hauv kev tsim khoom ntawm lwm cov nitrogen-muaj tshuaj, suav nrog carbamates thiab Isocyanates.
Tuaj yeem ua haujlwm hauv kev sim tshuaj schthesis rau kev tsim cov khoom urea derivatives thiab lwm yam khoom sib txuas carbamate.
4. CATALYsisysis thiab Txheej Txheem Chemistry
Ua raws li pib cov khoom siv lossis cov khoom siv ntxiv hauv catalytic cov yeeb yam koom nrog kev sib koom ua ke thiab amine chemistry.
Siv nyob rau hauv qee cov txheej txheem kev chemistry ntsuab vim nws lub luag haujlwm hauv kev ntes thiab hloov dua siab tshiab.
5. Tshuaj siv tshuaj thiab cov tshuaj siv tshuaj lom neeg
Qee zaum siv nyob rau hauv synthesis ntawm nquag tshuaj tshuaj xyaw (APIs) lossis raws li pawg tiv thaiv pab pawg hauv nruab nrab sib txuas.
Cov txiaj ntsig
1. Txuag cov cab kuj nitrogen
Muab ob qho tib si ammonia (nh₃) thiab koom, ua rau nws muaj txiaj ntsig zoo rau cov ntawv thov uas yuav tsum tau muaj kev nplua nuj.
Nws qhov kev txiav txim siab yooj yim thiab nplooj tsis muaj tshuaj lom neeg, ua rau nws haum rau ib puag ncig-kom ib puag ncig.
2. Versatile Intermediation
Npaj txhij rau lwm cov chaw sib txuas, ua rau nws muaj txiaj ntsig zoo rau synthesis hauv ntau yam kev lag luam.
Tso cai rau cov kev tshwm sim me me hauv urea lossis carbamate synthesis.
3. Tsawg toxicity
Suav hais tias yog tsawg nyob rau hauv acute toxicity (nrog tuav kom raug), thiab decomposes rau hauv ib txwm muaj roj.
4. Ciaj Ua Lwj Lub Peev Xwm
Vim tias nws cov ntaub ntawv los ntawm ammonia thiab carbon dioxide, nws tau koom nrog carbon kev ntes thiab cia (CCS) thiab muaj peev xwm hauv Greenstistry Pathways.
Tag
Ammonium carbamate (CAS 1111-78-0) yog ib qho kev siv tshuaj muaj txiaj ntsig zoo nyob rau hauv urea ntau lawm thiab ib qho chaw ntawm nitrogen hauv cov ntawv teev tshwj xeeb. Nws cov xwm dual ua cov pa nitrogen thiab carbon Carbon Carbon, txuas nrog nws cov tshuaj lom neeg cov tshuaj ntsuab, cov tshuaj carbon ntes, thiab zoo tshuaj lom neeg tshuaj lom neeg. Thaum tsis tshua siv ncaj qha raws li cov chiv, nws ua si lub luag haujlwm tseem ceeb hauv ntiaj teb nitrogen-based tshuaj lom neeg.
Cim npe nrov: Ammonium carbamate 丨 CASAT 1111-7-0, Tuam Tshoj Amooscium Carbamate 丨 CAS 1111-7-4], cov chaw muag khoom, Hoobkas
