Chrium Chromate 10294-40-3 Tus Nqe
Muaj txaus Tshuag, zoo siab thiab sai dua xa khoom. Ntau kom muaj nuj nqis nrog ntau luv nqi.
Yuav tsum muaj ib qho tseev kom muaj, txais tos hu rau peb txhua lub sijhawm.
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Kev piav txog
Khoom npe: Barium chromate
CAS: 10294-40-3
Mf: Bacro4
Melting taw tes: 210 ° C
Saib ceev: 4.5 g / cm3 ntawm 25 ° C
Pob: 1 kg / hnab, 25 kg / hnab, 25 kg / nruas
Kev qhia tshwj xeeb
| Cov khoom | Cov lus qhia |
| Kev tshwm sim | Daj Crystal |
| Kev coj dawb huv | ≥99% |
| Cl | I≤0.2% |
| CO3 | I≤0.1% |
| Dej teeb meem dej tsis txaus | I≤0.05% |
| Hydrochloric acid insoluble teeb meem | I≤0.1% |
Daim ntawv thov
1.Qhov yog siv rau kev tsim cov kev nyab xeeb kev nyab xeeb, ntim tais diav, khob xim, thiab lwm yam.
2.Qhov siv ua reagent rau kev txiav txim siab ntawm sulfate thiab selenate.
Ntiag tug
Nws yaj los yog decomposes hauv inorganic acids. Nws yog yuav luag tsis tau muaj Insoluble hauv dej, dilute acetic acid thiab chromic acid daws teeb meem.
Chaw ntim khoom
Khaws cia rau ntawm qhov chaw qhuav, cov duab ntxoo, muaj qhov cua.
Lub sij hawm Post: Lub Yim Hli 05-2022