通过傅里叶变换红外光谱法(FTIR)结合常规的根伸长实验法对2个不同耐铝性的荞麦品种(春红1号和春红4号)进行分析鉴定.通过比较春红1号和春红4号在不同铝浓度处理下根,茎和叶的红外光谱图特征峰3353,2923,1734,1643,1453,1367,1250和1055cm-1发现:春红1号的特征峰值高于春红4号;在铝胁迫下,春红1号和春红4号...
1734 cm−1 to pectins with ester (Alonso-Simón et al., 2011; Fahey et al., 2017; Filippov & Chernei, 2002; Huck, 2015; Monti et al., 2013; Szymanska-Chargot & Zdunek, 2013), 1626 cm-1 to free carboxyl groups (Abidi et al., 2014; Alonso-Simón et al., 2011; Filippov...
The spectra of Diacerein showed characteristic peaks at 3300 cm-1 (-COOH) and 760 cm-1 (msubstituted benzene), Span 60 at 2916 cm-1 (-OH), Span 80 at 1740 cm-1 (5- membered ring), Span 85 at 1643 cm-1 (ketone with 5-membered ring), Tween 20 at 1734 cm-1 (5-membered ...
Wavenumber (cm−1)Functional groupVibration mode 3292 OH Stretching (sym) 2929 and 2852 CH (CH2) Asymmetric & symmetric stretching vibration of methylene (CH2) group 2852 CH (CHO) Stretching (sym) 1734 CO (CHO, COOCH3) Carbonyl (CO) functional group from the ester linkage & aldehyde 1612...
- 1 (弱) 双峰 。在指纹区差别 较大,牛蒡根在 991 ,939cm - 1 有清晰的吸收 ,而生续 断在此处则无吸收出现 。牛蒡根在 873 ,814 , 784 , 755 ,732cm - 1 等有吸收 。生续断在 1073cm - 1 有明 显的肩峰出现 ,而牛蒡根则未出现肩峰 。 2. 2. 5 生续断和牛蒡根外表皮部...
cm -1 有它们的特征吸收峰组,济生肾气丸在此特征吸收峰组 处没有吸收峰。且济生肾气丸12个样品中的至少7个样品 在波数约为10742 , 1022 5和9279cm -1 处有吸收峰组, 而所有的右归丸样品在此波数处无吸收峰;右归丸13个样 品在波数约为1168 0和10977cm -1 处都有特征吸收峰 组,济生肾气丸只有一个样...
通过傅里叶变换红外光谱法(FTIR)结合常规的根伸长实验法对2个不同耐铝性的荞麦品种(春红1号和春红4号)进行分析鉴定.通过比较春红1号和春红4号在不同铝浓度处理下根,茎和叶的红外光谱图特征峰3353,2923,1734,1643,1453,1367,1250和1055cm-1发现:春红1号的特征峰值高于春红4号;在铝胁迫下,春红1号和春红4号...
Those insensitive to (15)N labeling included a protonated aspartic or glutamic acid at 1734 cm(-1)(-)/1722 cm(-1)(+) and a cysteine at 2575 cm(-1)(+)/2557 cm(-1)(-). Bands sensitive to (15)N protein labeling at 1487 cm(-1)(+)/1502 cm(-1)(-) might arise from trytop...
FTIR spectroscopy coupled with multivariate calibration of partial least square can quantify the levels of GSO in NSO at wavelength number of 1114–1074, 1734–1382 and 3005–3030 cm–1. The coefficient of correlation (R2) obtained for the relationship between actual (x-axis) and FTIR predicted...
The FTIR spectra of the B75 fuel showed a C = O tensile band methyl ester in 1734 cm 1 and C鈥揙 bands at 1214鈥 1362 cm 1 . Furthermore, similar FTIR spectra were seen for the diesel fuel (B0) and the B75 fuel. The results showed a significant reduction in soot particle ...