EPR studies are made on Cu 2+ -doped ammonium oxalate monohydrate. Two Cu 2+ lattice sites, Cu 2+ (I) and Cu 2+ (II), are identified. These sites exhibit two sets of four hyperfine lines in all directions except some special directions. The g -factors and the hyperfine splittings ...
cobalt, Cophosphorus, Pstructure (solids and liquidsdielectric properties, magnetic propertiesTitle compounds with x = 0.00, 0.34, 0.59, 0.70, and 1.00 are prepared by hydrothermal reaction of MCl2 (M: Ni, Co) and solid (NH2)2CO in aqueous H3PO4 (autoclave, 180 °C, 7 d).Torre‐...
已知Mg(OH)2的Ksp=1.8×10-11,NH3middot;H2O的Kb=1.8×10-5,计算反应: Mg(OH)2+2NH4+===Mg2++2NH3middot;H2O 的平衡常数K,讨论Mg(OH)2在氨水中的溶解性。 相关知识点: 试题来源: 解析 ← Mg(OH)_2+2NH_4^+⇌Mg^(2+)+2NH_3⋅H_2O 平衡常数 K = [Mg][NH, H,O] [Mg2+][OH...
下列离子方程式正确的是( ) A.Na2S2O3溶液中加入稀硫酸:2S2O +2H+===SO +3S↓+H2O B.向NH4HSO3溶液中滴加少量KOH溶液:NH +OH-===NH3·H2O C.盐碱地(含较多NaCl
百度试题 结果1 题目用来检验Fe3 离子的试剂为() A. KI B. NH4SCN C. NaOH D. NH3middot;H2O 相关知识点: 试题来源: 解析 B 反馈 收藏
下列说法正确的是 A.将标准状况下的2.24L CO2通入150mL 1mol·L-1 NaOH溶液中,所得溶液中c(CO32-) >c(HCO3-) B.常温下0.1 mol·L-1的下列溶液①NH4Al(SO4)2 ②NH4Cl ③NH3·H2O ④CH3CO
本文合成了钼硫原子簇新化合物(NH4)4[Mo3(NO)4S13]·3H2O,并用X射线单晶衍射法测定了晶体结构.晶体属三斜晶系,空间群Ci1—P1-,晶胞参数:a=9.535(2)A,b=9.740(2)A,C=15.795(4)A,a=89.85(2)°,β=91.80(2)°,r=99.37(1)°,V=1446.6A3,Z=2.1903个衍射点参与修正,最终偏差因子R=0.075,Rω=...
Diammonium dibarium hydrogen citrato peroxotitanate(IV), Ba2(NH4)2[Ti4(O2)4(Hcit)2(cit)2] · 10H2O, is obtained directly from H2O2 oxidation of tricitrato titanate, or from the reaction of peroxotitanate with citric acid (H4cit=citric acid), which is decomposed stoichiometrically into...
doi:10.1002/anie.198308721Mattes RainerHolz KlausHüthig & Wepf VerlagAngewandte Chemie International Edition in English
doi:10.1002/1521-3749(200105)627:5<1077::AID-ZAAC1077>3.0.CO;2-DLiu GuangZhang Shi‐WeiTang You‐QiWILEY‐VCH Verlag GmbHZeitschrift Für Anorganische Und Allgemeine ChemieKantekin, H., Ocak, Ü., Gök, Y.: Synthesis and characterization of a novel macrocyclic vic-dioxime and some o...