因实际测得C=O峰强度大,特征明显,故选用C=O特征峰进行计算。 图2. 样品质量对固化时间的影响以及固化率与peak ratio%关系图[1] 2. 高分子材料的组成分布研究[2] 大部分高分子材料都具有二维或三维的组成分布,如共混物、聚合物基复合材料等,组成分布对其性能影响很大。红外显微镜将微观形貌观察与结构分析结合,...
因实际测得C=O峰强度大,特征明显,故选用C=O特征峰进行计算。 图2. 样品质量对固化时间的影响以及固化率与peak ratio%关系图[1] 2. 高分子材料的组成分布研究[2] 大部分高分子材料都具有二维或三维的组成分布,如共混物、聚合物基复合材料等,组成分布对其性能影响很大。红外显微镜将微观形貌观察与结构分析结合,...
因实际测得C=O峰强度大,特征明显,故选用C=O特征峰进行计算。 图2. 样品质量对固化时间的影响以及固化率与peak ratio%关系图[1] 2. 高分子材料的组成分布研究[2] 大部分高分子材料都具有二维或三维的组成分布,如共混物、聚合物基复合材料等,组成分布对其性能影响很大。红外显微镜将微观形貌观察与结构分析结合,...
Specifically, GRAMS (Thermo Galactic, Salem NH) peak analysis software was used to integrate the carbonyl peaks near 1720 cm 1 , and the aliphatic CH peaks near 2900 cm 1 in 22 samples and all cali...FTIR transmission spectrometry for the non-destructive determination of ammonium and sulfate ...
OpticSetupandServiceInterferometer/AQP Absolute Peak Position 用箭头改变扫描范围,使得干涉图的最大值(峰)在显示范围内。 没有干涉图,只是一根直线 检查扫描范围(Check signal 对话框): 显示在合适的范围内? Check signal 不 问题:没有干涉图 FT FT--IR IR: : 基本原理 基本原理 ... ... 检查IR 光源参数...
3400-3200 cm-1: no OH or NH present. 3100 cm-1: moderate peak suggesting unsaturated CH. 2900 cm-1 weak peak indicating possible saturated CH. 2200 cm-1: no unsymmetrical triple bonds. 1690 cm-1: strong carbonyl absorbance. 1610 cm-1: weak absorbance bands consistent with carbon-carbon ...
应用FTIR分析技术快速鉴定中药伟哥中的西地那非
The broad nature of the absorption peak has been explained successfully in the view of distortions which are not evident through XRD. Depending on wave number various physical quantity like effective mass, bond length, frequency of vibration has been determined for Ti-O and Fe-O bonds. The ...
NH-C=O 振动 I 峰发生了裂峰;薄荷醇组 CH2 非对称振动和 CH2 对称振动向高峰位移动 In solvent group, OH vibration as lipid absorption wavelength has a blue shift; In azone group, CH2 nonsymmetrical vibration wavelength has a blue shift, keratin NH-C=O vibrationⅠwavelength has a split peak;...
The peak at approximately 1538 cm−1 was mainly derived from NH deformation and CN stretching in CONH, exhibiting the characteristics of amide II (Velmourougane et al., 2017), and only EPS samples from the TF were shown to have a matching band. The band at 1243 cm−1 showed a weak...