Chemometric tool for identification of iron-gall inks by use of visible-near infrared fibre optic reflection spectroscopy

被引：11
|
作者：
Gal, Lukas [1 ]
Ceppan, Michal [1 ]
Rehakova, Milena [1 ]
Dvonka, Vladimir [1 ]
Tarajcakova, Jarmila [2 ]
Hanus, Jozef [3 ]
机构：
[1] Slovak Univ Technol Bratislava, Inst Polymer Mat, Fac Chem & Food Technol, Bratislava 81237, Slovakia
[2] Acad Fine Arts & Design, Bratislava 81437, Slovakia
[3] Slovak Natl Arch, Bratislava 81701, Slovakia
来源：
ANALYTICAL AND BIOANALYTICAL CHEMISTRY | 2013年 / 405卷 / 28期
关键词：
Fibre optic reflection spectroscopy (FORS); Visible-near infrared (VIS-NIR) spectroscopy; Target-factor analysis; Iron-gall inks;
D O I：
10.1007/s00216-013-7333-z
中图分类号：
Q5 [生物化学];
学科分类号：
071010 ; 081704 ;
摘要：
A method has been developed for identification of corrosive iron-gall inks in historical drawings and documents. The method is based on target-factor analysis of visible-near infrared fibre optic reflection spectra (VIS-NIR FORS). A set of reference spectra was obtained from model samples of laboratory-prepared inks covering a wide range of mixing ratios of basic ink components deposited on substrates and artificially aged. As criteria for correspondence of a studied spectrum with a reference spectrum, the apparent error in target (AET) and the empirical function SPOIL according to Malinowski were used. The capability of the proposed tool to distinguish corrosive iron-gall inks from bistre and sepia inks was evaluated by use of a set of control samples of bistre, sepia, and iron-gall inks. Examples are presented of analysis of historical drawings from the 15th and 16th centuries and written documents from the 19th century. The results of analysis based on the tool were confirmed by XRF analysis and colorimetric spot analysis.
引用
收藏
页码：9085 / 9091
页数：7
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