THE STUDY OF GILDING IMITATIONS IN HISTORIC MANUSCRIPTS: AN INVESTIGATION OF DEGRADATION PROCESS OF GOLDEN PIGMENTS AND SUBSTRATE PAPER

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AHMADI HOSSEIN; ABED ESFAHANI ABBAS; MORTAZAVI MOHAMMAD; MOUSAVI MOHAMMAD JAVAD

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Journal: Maremat & memari-e Iran Year:2014 | Volume:4 | Issue:7 Page(s): 77-88

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Title

THE STUDY OF GILDING IMITATIONS IN HISTORIC MANUSCRIPTS: AN INVESTIGATION OF DEGRADATION PROCESS OF GOLDEN PIGMENTS AND SUBSTRATE PAPER

Author(s)

AHMADI HOSSEIN | ABED ESFAHANI ABBAS | MORTAZAVI MOHAMMAD | MOUSAVI MOHAMMAD JAVAD | Issue Writer Certificate

Keywords

ILLUMINATED MANUSCRIPTSQ2

GOLDEN PIGMENTSQ2

COPPER CARBOXYLATEQ2

ORGANIC CARBONYL POLLUTANTSQ2

PAPER DEGRADATIONQ2

Abstract

Degradation of inks and pigments has always been a major problem against Conservators. Some of the vulnerable pigments are metal pigments a major portion of which belongs to GOLDEN PIGMENTS in decorations of book-embellishing in Iran. In some cases, shades of green color are seen in GOLDEN PIGMENTS and sometimes PAPER DEGRADATION is also discernible. In this paper, golden pigment and its degradation were studied in three ILLUMINATED MANUSCRIPTS from the Qajar period. SEM-EDS analyses indicated one type of brass alloy compositions as imitating GOLDEN PIGMENTS. COPPER CARBOXYLATEs were identified as degradation products of GOLDEN PIGMENTS by means of Raman Spectroscopy. Some sort of ORGANIC CARBONYL POLLUTANTS and high humidity condition can possibly be effective in degradation of the pigments and formation of the greenish products. In addition to acid-catalyzed hydrolysis of cellulose, copper ions as catalyst in degradation products can accelerate oxidation of cellulose. This matter was investigated in one of the samples by Fluorescence Labeling in combination with Gel Permeation Chromatography (GPC).

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APA: Copy

AHMADI, HOSSEIN, ABED ESFAHANI, ABBAS, MORTAZAVI, MOHAMMAD, & MOUSAVI, MOHAMMAD JAVAD. (2014). THE STUDY OF GILDING IMITATIONS IN HISTORIC MANUSCRIPTS: AN INVESTIGATION OF DEGRADATION PROCESS OF GOLDEN PIGMENTS AND SUBSTRATE PAPER. MAREMAT-E ASAR & BAFT-HAYE TARIKHI-FARHANGI, 4(7), 77-88. SID. https://sid.ir/paper/205169/en

Vancouver: Copy

AHMADI HOSSEIN, ABED ESFAHANI ABBAS, MORTAZAVI MOHAMMAD, MOUSAVI MOHAMMAD JAVAD. THE STUDY OF GILDING IMITATIONS IN HISTORIC MANUSCRIPTS: AN INVESTIGATION OF DEGRADATION PROCESS OF GOLDEN PIGMENTS AND SUBSTRATE PAPER. MAREMAT-E ASAR & BAFT-HAYE TARIKHI-FARHANGI[Internet]. 2014;4(7):77-88. Available from: https://sid.ir/paper/205169/en

IEEE: Copy

HOSSEIN AHMADI, ABBAS ABED ESFAHANI, MOHAMMAD MORTAZAVI, and MOHAMMAD JAVAD MOUSAVI, “THE STUDY OF GILDING IMITATIONS IN HISTORIC MANUSCRIPTS: AN INVESTIGATION OF DEGRADATION PROCESS OF GOLDEN PIGMENTS AND SUBSTRATE PAPER,” MAREMAT-E ASAR & BAFT-HAYE TARIKHI-FARHANGI, vol. 4, no. 7, pp. 77–88, 2014, [Online]. Available: https://sid.ir/paper/205169/en

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