1 4-benzenedimetimethanol 589-29-7
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
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.
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.
Khaws cia rau ntawm qhov chaw qhuav, cov duab ntxoo, muaj qhov cua.
Yog nqus tau Yog nqus tau, txav tus neeg mob mus rau cua tshiab. Yog tias koj tsum tsis ua pa, muab ua pa tawm dag zog. Thaum muaj kev sib cuag ntawm daim tawv nqaij Yaug nrog xab npum thiab dej kom ntau. Thaum muaj kev sib cuag Yaug qhov muag nrog dej raws li kev tiv thaiv kev tiv thaiv. Yog tias koj yuam kev lees txais Tsis txhob pub dab tsi los ntawm lub qhov ncauj rau tus neeg tsis nco qab lawm. Yaug koj lub qhov ncauj nrog dej.
