实验四红外吸收光谱图谱分析蒙脱石粘土样品的红外光谱分析数据蒙脱石样品蒙脱石标准数据波数(cm波数en)T(%)T(%)3.61956.62362065.163.4343.40060.0264.381.63068.30162579.6810310.6710409.0952013.5552232.814676.7352131.8654.0534073.13340蒙脱石标准数据为美国-萨德勒蒙脱石标准光语数据..-...30001000200016001200800400波数/cn-1蒙脱石样品的红外光语图
实验四 红外吸收光谱图谱分析
表2钠基蒙脱石与柱撑蒙脱石的红外光谱频率(cm)样品名VOHVsi-oVHOPEOP-OHPA-O-MgVsi-o-siPsi-o-Mg Psi-o-Fe522468844794.625M00136393436162610871038916M001522845791 62346836393464164110851040917(500℃)521469844793622M00436313443164110891040916521468794623M00536383442163410871044916M0054737936263733 3428 1629 1092 1046(500℃)
1.已知分子式为CH15N,根据其红外谱图,推断其可能的结构。1.0TA13790.8729C,HisN145522470.61467Heptyl cyanide2861Can you determinewhich peaks0.4carise from the nitrilegroup?(Hint:overlaythespectrumofhexcane.293129600.228700.040003500180016001200800600cm-140030002500200014001000
C8H15N 1 4 6 7 2 2 4 7 7 2 9 1 4 5 5 1 3 7 9 2 9 3 1 2 9 6 0 2 8 6 1 2 8 7 0 1.已知分子式为C8H15N,根据其红外谱图,推断其可能的结构
2.原始土(蒙脱石类矿物,代表分子式为A14Si.02o(OH)4,系由两片由硅氧四面体连接而成的硅氧片中间夹一片由铝氧八面体连接而成的水铝片)红外谱图100F0190 Number of sample scans:32Number of background scans:32Resolution:4.00062268980 -Sample gain: 4.0169Mirror velocity: 0.6329869Aperture:100.00Detector:DTGSKBr70 Beamsplitter.KBrSource:IR60161798SERe5040-30 O20 2:1型晶体结构110 -1900350030002500200015001000500Wavenumbers (cm-1)
2. 原始土(蒙脱石类矿物,代表分子式为Al4Si8O20(OH)4,系由两片由硅氧四面体 连接而成的硅氧片中间夹一片由铝氧八面体连接而成的水铝片)红外谱图 2:1型晶体结构
3.用有机试剂改性后的谱图多出的峰值,表明十八烷基三甲基溴化铵(1832)已经吸附到蒙脱石层间,形成了有机蒙脱石新材料。9001680-70-10808661660-e5040-CH30-619Br -CH3(CH2)112)16CH2-N-CH320 /+CH310-0250015003500300020001000500Wavenumbers (cm-1)
3. 用有机试剂改性后的谱图 多出的峰值,表明十八烷基三甲基溴化铵(1832)已经吸附到蒙脱石层间,形成 了有机蒙脱石新材料