期刊
ANALYTICAL METHODS
卷 11, 期 35, 页码 4431-4439出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9ay00998a
关键词
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资金
- Ministerio de Economia, Industria y Competitividad (MINECO) [CTQ2017-85317-C2-1-P]
- Fondo Europeo de Desarrollo Regional (ERDF)
- Agencia Estatal de Investigacion (AEI)
- Sapienza University of Rome
Herein, voltammetry of immobilized microparticles (VIMP) is employed for the discrimination of papers used in the conservation and restoration field. The electrochemical parameters are used for the discrimination of different samples coming from China, Japan and Korea. The method is based on the recording of the voltammetric response of microparticulate deposits from acetone extracts of paper samples deposited on a glassy carbon electrode in contact with 1.0 M H2SO4. The voltammetric responses attributed to the lignin and the oxidation products of the cellulose were collected and are discussed. The grouping of samples was obtained upon the application of the chemometric methods, as well as the ratio between the prominent voltammetric peaks. In the first case, chemometrics allows identification of the different papermaker production techniques amongst the samples, while the experimental data permits the grouping of the papers according to their internal chemical differences. The proposed method aims at help the archaeometric study of papers using a micro-invasive method, which allows the chemistry and the manufacturing methods of ancient papers to be distinguished.
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