Sodium molybdate CAS 7631-95-0
Sodium molybdate, dabara Na2MoO4. Nauyin kwayoyin halitta 205.92. Farin lu'u-lu'u lu'u-lu'u. Kyawawan farin crystal. Matsayin narkewa 687 ℃, ƙarancin dangi 3.2818. Narke cikin ruwa. Ana iya samun dihydrate ta hanyar crystallization daga maganin ruwa mai ruwa (maganin alkaline tare da pH sama da 8). Na karshen shine farin rhombohedral crystal. MoO42-ions suna kasancewa azaman tetrahedrons na yau da kullun tare da ƙarancin dangi na 3.28. Lokacin da aka yi zafi zuwa 100 ℃, kwayoyin ruwa guda 2 sun ɓace don samun wani abu mai ban sha'awa, mai sauƙi mai narkewa a cikin ruwa, mai narkewa a cikin ruwa mai sanyi 1.7 da kuma kimanin 0.9 na ruwan zãfi. 5% ruwa bayani a 25 ℃ pH 9.0 ~ 10.0, insoluble a ethyl acetate. Ta hanyar ƙara acid a hankali zuwa maganin sodium molybdate da rage pH na maganin, molybdate za a iya yin polymerized a cikin nau'i na polymolybdate salts, ciki har da sodium dimolybdate, sodium trimolybdate, sodium paramolybdate, sodium octamolybdate da sodium decamolybdate.
| ITEM | SAKAMAKO % |
| Na 2MoO4•2H2O | 99.29 |
| Mo | 39.38 |
| Ruwa marar narkewa | 0.1 max |
| NH4 | 0.005 max |
| Pb | 0.001 max |
| Fe | 0.002 max |
| PO4 | 0.05 max |
| SO4 | 0.01 max |
| pH | 9.5 |
Sodium molybdate shine sodium molybdate, wanda aka yi amfani dashi azaman mai hana lalata ƙarfe, wakili mai cire sikelin, mai tallata bleaching da wakili mai kariya na fata da gashi, ana amfani dashi azaman mai bincike don ƙaddarar alkaloid, dyes da masana'antar harhada magunguna; Sodium molybdate za a iya amfani da a yi na alkaloids, tawada, taki, molybdenum ja pigment da sauri pigment precipitant, mai kara kuzari, molybdenum gishiri, kuma za a iya amfani da a yi na harshen wuta retardants da wadanda ba gurbatawa irin ruwan sanyi tsarin karfe inhibitors, kuma amfani da galvanizing, polishing wakili da sinadaran retardate.
25kg/bag
Sodium molybdate CAS 7631-95-0
Sodium molybdate CAS 7631-95-0
