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1.
A new iron basic salt, Fe 4(OH) 11NO 3·2H 2O, has been prepared by partially hydrolyzing a solution of Fe(NO 3) 3·9H 2O with urea.
The X-ray powder diffraction pattern has been indexed within a monoclinic cell a=9.99(3) ?, b=9.48(2) ?, c=3.074(3) ? and β=90.57(1)°.
Thermal decomposition reactions in still air and nitrogen flow have been studied by DTA and TG analysis, and the intermediate
and final products have been characterized by X-ray diffraction and IR spectroscopy. When this material is thermally decomposed
in an X-ray high temperature diffraction chamber, pure iron is formed at 900 °C together with Fe(III) and Fe(II) oxides.
Zusammenfassung Mittels Hydrolyse einer L?sung von Fe(NO)3)3·9H2O mit Karbamid wurde das neue basische Eisensalz Fe4(OH)11NO3·2H2O dargestellt. Aus einem R?ntgenpulververfahren resultierena=9,55(3) ?,b=9,48(2) ?,c=3,074(3) ? undβ=90,57(1)° für eine monozyklische Zelle. Mittels DTA- und TG-Untersuchungen wurden die thermischen Zersetzungsreaktionen an
Luft und im Stickstoffflu? untersucht und die Zwischen- und Endprodukte mit r?ntgendiffraktionsverfahren und IR-Spectroskopie
charakterisiert. Bei einer thermischen Zersetzung dieses Stoffes in einer Hochtemperatur-r?ntgendiffraktionskammer wird bei
900 °C elementares Eisen zusammen mit Fe(II)- und Fe(III)-oxiden gebildet.
Резюме Частичным гидролизо м раствора соли Fe(NO3)3 · 9H2O с мочевиной получен а новая основная соль Fe4(OH)11NO3 · 2Н2О, для которой методо м порошкового рентген оструктурного анализа была установ лена моноклинная стр уктура с параметрами ячейкиа=9,55(3) А,b=9,48(2) ?,c=3,074(3) ? иβ=90,57(1)°. Термиче ское разложение соли изучено методом ДТА и ТГ в динамическо й атмосфере воздуха и азота, а образующиеся
промеж уточные и конечные продукты ре акции были охарактер изованы рентгенофазовым ана лизом и ИК спектроскопией. ˉПри термическом
разложе нии соли в высокотемпературно й рентгено-диффракци онной камере при 900° образует ся чистое железо вмес те с оксидами
двух- и трехвалентного желе за.
The authors are greateful to Dr. R. M. Rojas for his helpful suggestions. 相似文献
2.
.综述,把配合物在有机合成中的应用···············,·························································一韩长日1(1)峡喃环参与的Diels一Alber反应及其应用·························································……宋小平2(1)时间分辨荧光(TRF)测量及其应用···········,,·····,···4··································……“… 相似文献
3.
(本卷共十二期)作者索引 二、三划丁世家················································……400,488丁孟贤·········································,··············,…507丁维钮·················,···························……邓连,n拐门电元······················································……94盛于龙… 相似文献
4.
1.专诊高分子合成方面的新发展(11)················································……林一(1,l)Nes乙烯基丁内酸胺及其聚合体·············································……李忠福(1,11)界面精聚···········································································……攀伟(2,49)固相缩聚反应····················… 相似文献
5.
页1 92028期1 111 题目作者高分子链构象的数学模型及其应用···················································……吴让泉程正迪吴承训星形聚合物结构的统计分析 —不等反应活性和取代效应···················································……陈欣方唐敖庆关士林稀王一偶氮硝凌的极谱络合吸附波··············,············································… 相似文献
6.
进展与评述 合属外晰类花合物的催化作用”··”·”··”······························1···············,····……昊越、叶兴凯、张长安(卜1) NMR和肤在溶液中的构象······”····””····························································……薛楚标、李崇熙(2一l) 有机蹄化物在合成中的应用············”·······························,.···… 相似文献
7.
庆祝中华人民共和国建国三十周年期页三十年来我国化学分析的成就 前言··································“··································································“……梁树权 分离和富集····························,,·,,·········································,,···……:..·······,…曾云鸽 络合滴定·”····“··… 相似文献
8.
(本卷共十二期)作者索引 二、三划丁少平·“··················································……1216丁世良·············································……6,11,222丁宏勋······················································……820丁岩冰································,····················……. 1199… 相似文献
9.
·综述· 期页码温和条件下氧分子活化和活性氧种的反应····……:’’····……少··················……,’’···············……吴、越1(1)光声光谱的化学应用··················,·······································...··································……王文的2(1)导电聚合物的进展···············································… 相似文献
10.
研究报告及简报5一Cl一PADAB和把的多元络合物萃取体系的初步研究··”·······“····························-·“·…孙龄高1一10岩矿中微量砷的测定一一砷锑钥蓝比色法·····“··································”········……陈晏明林天奇l一13微量P204的测定····················“················“····“···············”·······”····”··……邢曼饪王积祥1一15… 相似文献
11.
祝贺《化学教育》创刊···········,··································································……杨石先致读者································································································……本刊编辑部国际原子量表(1979)··········································… 相似文献
12.
稼述一、二配位磷化合物·····································································……金桂玉、唐除痴(1一1)有机钦化合物研究进展··································································……吴绍祖、周耀坤门一9)含氟手征性分子的拆分··································,·························… 相似文献
13.
化学展望量子化学的现状和展望··································································……唐敖庆、江元生(1一总夕)现代光化学···········································4·················································……胡亚东(1一总10)新奇的“化学实验”—计算化学···································… 相似文献
14.
练述个氟丙烯的齐聚反应··································································……李基森、黄耀曾(1一1)1卜晶态与晶态的压电热电铁电高聚物·························································……义报株(1一7)精油化学的进展···································································……‘··… 相似文献
15.
为加速实现四个现代化努力作出贡献—谈化学的地位和任务···················,··,·······……杨石先(卜总1)庆祝建国价周年我国络合物化学三十年·····································································……唐雯霞、戴安邦(4一总2卯)我国无机分析化学的发展··············································,·…程介克、刘锦春、罗庆尧、曾云鹦(4一总2卯)我国极谱催化波… 相似文献
16.
评论与综述激光诱导原子荧光光谱技术的应用进展·,..······”·”························……段忆翔(1 .3)聚苯硫醚合成新进展····”·········“·“·“····“··············“······……伍齐贤周柞万(1 .9)双层脂和膜生物能学中的826一氧化还原反应,·····”······················……田心棣(2 .3)离子选择电极的进展·············“·······”·····················……邓明韬部租珍(2 .14)… 相似文献
17.
题目·作者期页化学螺旋链聚合物聚甲基丙烯酸三苯甲酷的旋光性研究························……王跃川丁孟贤胡慧贞王佛松11针镍矿实验电子密度分布的研究····························································……竺遭压梁丽旋倪承16硼原子簇和碳原子簇···,···································································。··············… 相似文献
18.
评论与综述Diels一Alder反应在硅橡胶工业及聚硅烷化学中的应用量子化学研究硅酸盐的进展·············································……杯芳烃一一一类具有发展前景的大环化合物···············……黄枢化学中的孤子···················································……赵成大量子化学酉群方法(UGA)的新算法一Weyl基图解法 ······································… 相似文献
19.
第8卷(1 990) 第1期稀土氨基酸配合物的电子结构与化学键性质·································……李振祥倪嘉绩黎乐民(1)掺杂Pr3+的忆嫁石榴石晶场谱的分析······················································……陈子骏刘其城(5)。一乙基丁酸萃取稀土元素研究···························……马淑珍李俊然王静刘和平黄春辉(9)Eu2+和ce3+在钙铁矿型氟化物中的光谱特征和能量传递··············… 相似文献
20.
第一期研究论文 高交联S/DvB/EGDM共聚物的合成及孔和表面性能·····················……林雪杨益忠何炳林(l) 分子筛吸附剂再生装置及其初步试验·································……卫增泉K.Grawatsch E. Barnert(7) 弱酸110离子交换树脂的酸度················································……王呜周长林部行彦(13) 琉基树脂的合成与性能研究··································… 相似文献
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