利用X射线衍射技术分析辐照处理对黄藤材晶体尺寸影响

doi:10.3964/j.issn.1000-0593(2010)08-2285-04

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摘要：以我国特有的黄藤为研究对象，应用⁶⁰Co产生的高能γ射线对黄藤材进行辐照处理，通过X射线衍射法测定γ射线辐照前后纤维素中晶体尺寸、分析其变化规律，探寻晶体尺寸与物理力学性质间关系，提高我国棕榈藤资源高附加值加工利用水平。结果表明：晶体宽度在1.901～3.019 nm范围内变化，平均宽度为2.403 nm;晶体长度在4.118～28.824 nm范围内变化，平均长度为10.907 nm。辐照处理后黄藤材晶体宽度在2.139～3.540 nm范围内变化，平均值为2.569 nm;晶体长度在5.765～38.432 nm范围内剧烈变化，平均值为15.530 nm。辐照处理后晶体宽度和长度变化范围和平均值均增大。

关键词：黄藤;X射线衍射;γ射线辐射;晶体尺寸

Abstract：In order to find the relationships between the crystal size and the physical & mechanical properties, and to improve the levels of high value-added processing and utilizing for Chinese rattan resources, the daemonorops margaritae, Chinese unique rattan, was chosen as the research material, then the crystal size was measured and analyzed through the X-ray diffraction method before and after γ-ray irradiation. The results show that the crystal width is in the range between 1.901 and 3.019 nm, and the average width is 2.403 nm. The crystal length is in the range between 4.118 and 28.824 nm with an average length of 10.907 nm. After irradiation, the width of daemonorops margaritae is in the range between 2.139 and 3.540 nm, and the average width is 2.569 nm, and the crystal length dramatically changes in the range between 5.765 and 38.432 nm with a mean of 15.530 nm. Both of the scope and the mean value of the crystal width and length increase after irradiation.

Key words：Daemonorops margaritae;X-ray diffractometry;γ-ray irradiation;Crystal size

收稿日期: 2009-10-09 修订日期: 2010-01-08

中图分类号:

O657.3

通讯作者: 江泽慧 E-mail: jiangzehui@icbr.ac.cn

引用本文:

汪佑宏^1，2，刘杏娥³，江泽慧^3*，费本华³，任海青² . 利用X射线衍射技术分析辐照处理对黄藤材晶体尺寸影响 [J]. 光谱学与光谱分析, 2010, 30(08): 2285-2288.
WANG You-hong^1，2, LIU Xing-e³, JIANG Ze-hui^3*, FEI Ben-hua³, REN Hai-qing² . Analysis of Effects of Irradiation on the Crystal Size of Daemonorops Margaritae with X-Ray Diffractometry . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2010, 30(08): 2285-2288.

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