说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 铬酸铯
1)  cesium chromate
铬酸铯
2)  Caesium dichromate
重铬酸铯
3)  cesium chromic sulfate
硫酸铬铯
4)  cesium bichromate,cesium dichromate
重铬酸铯<冶>
5)  cesium nitrate
硝酸铯
1.
The conditions of determination are that we used cesium nitrate as eliminated electrolytic reagent in the acid medium and applied the subsensitive line as absorption line.
探讨了在酸性介质中以硝酸铯作消电离剂,应用次灵敏线作为吸收线来测定常量钾的最佳条件、线性相关系数。
2.
The author adopted method of flame atomic absorption,to prepare the mixed liquor with ionization buffer cesium nitrate and releasing agent lanthanum nitrate ammonium according to certain proportion.
采用火焰原子吸收法,将消电离剂硝酸铯与释放剂硝酸镧铵按一定比例先配成混合溶液,然后再在钾、钠、钙、镁等元素的标准混合溶液中,加入一定量的硝酸铯-硝酸镧混合液,即可对钾、钠、钙、镁等元素进行连续测定,其精密与准确度比一般方法高1。
6)  cesium carbonate
碳酸铯
1.
Using cesium carbonate as catalyxer and potassium carbonate as base,reacting directly phenol with alkyl halides in refluxing acetonitrile will give alkyl aryl ethers in good yields.
以碳酸铯作催化剂,碳酸钾作碱,以乙腈作溶剂,在回流的条件下酚与卤代烃反应高产率得到烷基芳醚。
2.
1,3-bis(4-nitrilemethoxyphenoxy)propane was synthesized by etherification with 4-hydroxybenzonitrile and 1,3-dibromopropane, using tetrabutyl ammonium bromide, PEG400, cesium carbonate as catalyst respectively and anisole as solvent, and the structure of etherification product was characterized by IR.
以对腈基苯酚和1,3-二溴丙烷为原料,以苯甲醚为溶剂,分别采用四丁基溴化铵、聚乙二醇400和碳酸铯作为相转移催化剂,合成醚化产物1,3二(对腈基苯氧基)丙烷。
补充资料:铬酸铯
分子式: Cs2CrO4 
CAS号:

性质:黄色棱晶斜方结晶。密度4.237g/cm3。溶于水。由铬酸钾和氯化铯溶液加热反应,经蒸发浓缩,过滤,冷却结晶,离心分离,干燥制得。亦可用铬酸水溶液和碳酸铯加热反应制得。用于制造金属铯。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条