Urea |57-13-6 : kuv
Khoom Description
Product Description: Urea, tseem hu ua carbamide, muaj cov tshuaj formula CH4N2O.Nws yog ib qho organic compound uas muaj carbon, nitrogen, oxygen, thiab hydrogen.Nws yog dawb crystal.
Urea yog cov chiv nitrogen siab, cov chiv ua haujlwm tsis zoo, thiab tseem tuaj yeem siv los tsim ntau hom chiv chiv.Urea yog tsim rau hauv paus chiv thiab hnav khaub ncaws saum toj kawg nkaus, thiab qee zaum ua cov noob chiv.
Raws li ib tug nruab nrab fertilizer, urea yog haum rau ntau yam av thiab nroj tsuag.Nws yooj yim khaws cia, siv tau yooj yim, thiab tsis muaj kev puas tsuaj rau cov av.Nws yog ib qho tshuaj nitrogen chiv uas tam sim no siv ntau npaum li cas.Hauv kev lag luam, ammonia thiab carbon dioxide yog siv los ua ke urea nyob rau hauv qee yam mob.
Daim ntawv thov: Ua liaj ua teb ua chiv
Pob:25 kgs / hnab los yog raws li koj thov.
Cia:Cov khoom yuav tsum tau muab cia rau hauv qhov chaw ntxoov ntxoo thiab txias.Tsis txhob cia nws raug tshav ntuj.Kev ua tau zoo yuav tsis cuam tshuam nrog damp.
Standards ua:International Standard.
Khoom Specification:
| Cov khoom kuaj | Agricultural Quality Index | ||
| Qib siab | Tsim nyog | ||
| Xim | Dawb | Dawb | |
| Tag nrho Nitrogen(Hauv paus qhuav)≥ | 46.0 ib | 45.0 Nws | |
| Biuret % ≤ | 0.9 | 1.5 | |
| Dej(H2O)% ≤ | 0.5 | 1.0 | |
| Methylene diurea(hauv HCHO hauv paus)% ≤ | 0.6 | 0.6 | |
| Particle loj | d0.85mm-2.80mm ≥ d1.18mm-3.35mm ≥ d2.00mm-4.75mm ≥ d4.00mm-8.00mm ≥ | 93 | 90 |
| Cov khoom siv tus qauv yog GB / T2440-2017 | |||
