The morphological changes accompanying the conversion of the hexagonal CaO·Al2O3·10H2O phase to the cubic 3CaO·Al2O3·6H2O phase were studied by scanning electron microscopy. The hydration and conversion reactions were monitored by X-ray diffraction analysis. From the micrographs, it was ...
将高岭石[Al2(Si2O5)(OH)4]改写为金属氧化物和二氧化硅的形式,下列各项中正确的是( ) A.Al2O3SiO2H2O B.Al2O32SiO22H2O C.Al2O3SiO22H2O D.Al2O32SiO2H2O 免费查看参考答案及解析 下列物质中,何种物质不能用于氧化还原滴定反应标定时的基准物? A.K2Cr2O7 B.Na2B4O7·10H2O C.H2C2O4·2H2O...
硝酸铝[Al(NO3)3]是一种常用媒染剂。工业上用铝灰(主要含Al、Al2O3、Fe2O3等)制取硝酸铝晶体[Al(NO3)3·9H2O]的流程如下: ⑴ 写出反应Ⅰ的离子方程式: (任写一个)
(2)H2CO3 H++HCO 、HCO H++CO (3)Ca(OH)2===Ca2++2OH- (4)Fe(OH)3 Fe3++3OH- (5)NH3·H2O NH +OH- (6)NaCl===Na++Cl- (7)BaSO4===Ba2++SO (8)NaHSO4===Na++H++SO (9)NaHCO3===Na++HCO 、HCO H++CO (10)NaHSO4 Na++HSO (11)Al2O3 2Al3++3O2-...
铬是一种银白色金属 化学性质稳定,以+2、+3和+6价为常见价态。工业上以铬铁矿(主要成分为FeO·Cr2O3,含有Al2O3、SiO2等杂质)为主要原料生产金属铬和重铬酸钠(Na2Cr2O7·2H2O),其
硼及其化合物在工业上有许多用途。以铁硼矿(主要成分为Mg2B2O5·H2O和Fe3O4,还有少量Fe2O3、FeO、CaO、Al2O3和SiO2等)为原料制备硼酸(H3BO3)的工艺流程如图所示:
structure (solids and liquidsaluminum, Alsilicon, Sicalcium, CaGESSNER, WZentralinst. Anorg. Chem., Akad. Wiss. DDR, DDR‐1199 BerlinMUELLER, DZentralinst. Anorg. Chem., Akad. Wiss. DDR, DDR‐1199 BerlinWILEY‐VCH Verlag GmbHCheminform...
(2)H2CO3 H++HCO 、HCO H++CO (3)Ca(OH)2===Ca2++2OH- (4)Fe(OH)3 Fe3++3OH- (5)NH3·H2O NH +OH- (6)NaCl===Na++Cl- (7)BaSO4===Ba2++SO (8)NaHSO4===Na++H++SO (9)NaHCO3===Na++HCO 、HCO H++CO (10)NaHSO4 Na++HSO (11)Al2O3 2Al3++3O2...
doi:10.1002/zfch.19890290922No abstract is available for this article.Geßner WolfgangMüller DirkWiley‐VCH Verlag GmbH & Co. KGaAZeitschrift Für Chemie
硝酸铝[Al(NO3)3]是一种常用媒染剂。工业上用铝灰(主要含Al、Al2O3、Fe2O3等)制取硝酸铝晶体[Al(NO3)3·9H2O]的流程如下: ⑴ 写出反应Ⅰ的离子方程式: (任写一个)