虎杖的化学振荡图谱研究.pdfVIP

( ) , 26 , 2 , 135- 137 , 2006 6 Journal of Baoji University of Arts and S ien es( Natural S ien e) , Vol. 26, No. 2, pp. 135- 137, Jun. 2006 * 卫粉艳 ( , 721007) : 研究金属离子存在下虎杖( 简称PCSZ)-KBr O3-M nSO4-H2 SO4-丙酮体系的化学振 荡图谱 采用振荡技术 察了不同反应物浓度对振荡反应诱导期周期和波形的影响, 并对其反应机理进行了初步探讨 虎杖能够参与振荡反应, 该体系振荡周期和振荡诱导期的表 观活化能为72. 9 kJ/ mol 和71. 3 kJ/ mol, 其动力学公式为: 4. 13 - 4. 36 0. 47 1/ tin = K C 0( H S O ) # C0( KBr O ) # C0( Mn2+ ) # exp( - Ein/ R T ) 2 4 3 0. 36 4. 26 - 0. 28 0. 47 1/ t p = K C0( H SO ) # C0( KBrO ) # C0( PCSZ) # C0( Mn2+ ) # exp( - EP / R T ) 2 4 3 : 化学振荡; 虎杖; 指纹图谱; 动力学 : O643. 1 : A : 1007- 1261( 2006) 02-0135-03 Study on the oscillating fingerprints using Poly g onum cusp idatum Sieb. et Zucc. as organic substrate WEI Feng-y an ( Dept. Chem. Chem. Eng . , Baoji Univ . Arts S i. , Baoji 721007, Shaanx i, China) Abstract: Aim T o study the hemi al os illating experimental results of Chinese tradition herbs 3 4 2 4 Poly g onum cusp i datum Sieb. et Zu . ( denote as PCSZ)- KBrO -MnSO-H SO- a etone os illating system in the pr esen e of M n2+ as atalyst . Methods The hemi al os illating method. Results The effe ts of different on entrations of omponents on the os illatory indu tion per iod, os illatory period and os illating w aves are also studied. Then r ea tion me hanism w as studied preliminarily using PCSZ as organi substrate. Conclusion PCSZ an parti ipate in the os illating rea tion. T he a