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Author:
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Year:
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Issue:
hong wai guang pu fa fen xi yin ni
Author(s):
XING Limei
,
ZHANG Zhenyu
,
SONG Qingfang
,
WANG Yanji
Pages:
18
-
22
Year:
1994
Issue:
2
Journal:
GUANGDONG GONGAN KEJI
Keyword:
红外光谱法分析
;
一阶导数光谱
;
印泥
;
红外光谱仪
;
光谱图
;
光度法
;
光谱法鉴别
;
直接涂片法
;
十分相似
;
微量物证检验
;
Abstract:
随着经济的发展,各种合同、证书的使用日益增多,对印泥的鉴定越显重要。关于印泥种类的鉴别方法,已有一些文献报导,如薄层色谱法、紫外分光光度法、发射光谱法等〔1—4〕,但利用红外分光光度法鉴别印泥的报导很少。本文用红外分光光度法对九个厂家生产的不同牌号及批号的14种印泥进行了较系统的鉴定,实验中采用不同进样方式,既对印泥纯品进行了分析,也对从纸张上提取下来的印泥进行了分析,不但能区别不同厂家生产的印泥,而且能区别同一厂家不同批号的印泥。该法鉴别印泥,操作简便、快速,重现性好。一、仪器、试剂和样品1、仪器日本岛津IR—440型红外光谱仪。2、试剂及样品甲醇、氯仿(均为分析纯),实验所用14种印泥详见
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