Identification of Dyes in Historic Textile Materials

Schweppe, Helmut

doi:10.1021/ba-1986-0212.ch008

Cited by 24 publications

(17 citation statements)

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“…Earlier analytical results from South Peruvian textiles of 100-200 A.D. showed a combination of purpurin and xanthopurpurin (Schweppe 1986) that conforms to our [RELB] from the same period. Cochineal was found in Nazca textiles in an earlier investigation (Fester and Lexow 1943a); however, the presence of insect reds in the Paracas necropolis, as claimed by the same authors (Fester and Lexow 1934), was later contradicted (Fester and Lexow 1943a).…”

Section: Discussionsupporting

confidence: 90%

“…None of these plants occurs in the South American biosphere. Relbunium species, which do occur there, were not reported to contain xanthopurpurin, but mostly purpurin, munjistin, and pseudopurpurin (Fester and Lexow 1943b;Schweppe 1986;Thomson 1971;and table 2).…”

Section: Main Group Xanthopurpurin [Xapo]mentioning

confidence: 99%

“…The detection of several hydroxyflavone dyes on Peruvian textiles dated 100-200 A.D., without characterization of the components (Schweppe 1986), is likely to refer to [LUTX], since at least luteolin would have been recognized by this author. The use of tannins, represented by [TANN], was both rare and historically unspecific; they appear once in the Paracas necropolis and once in the Inca period.…”

Section: Baccaris Genistelloides)mentioning

confidence: 99%

“…In previous analytical dye studies various methods were used: comparisons of hues on yams with the naked eye (Fester 1940); spectrophotometric analyses in the visible region (Fester 1940;Fester and Lexow 1943b;Saltzman 1978; Geiss-Mooney and Needles 1981); paper chromatography techniques (Gibaja Oviedo and Salazare de Cavero 1977); thin-layer chromatography (Schweppe 1986); and infrared spectroscopy (Martoglio et al 1990). None of these methods involves quantitation of dye components or their spectral characterization.…”

Section: Introductionmentioning

confidence: 99%

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Dye Analysis of Pre-Columbian Peruvian Textiles With High-Performance Liquid Chromatography and Diode-Array Detection

Wouters¹,

Rosario-Chirinos²

1992

Journal of the American Institute for Conservation

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A series of textiles belonging to various pre-Columbian civilizations as well as a series of present-day Peruvian natural dyes were analyzed using high-performance liquid chromatography and diode-array detection. The analytical results were classified according to the composition of known dyes or to specific compositional patterns of unknown dyes. Plant reds (from Relbunium species) and animal reds (cochineal from the scale insect Dactylopius coccus) were each predominantly present before and after the H uari and Tiahuanaco cultural periods (700-1100 A.D.)~respectively. During these periods both reds were found together. One red and one yellow vegetal dye were both found to occur in the Paracas necropolis only. The analysis of the complex yellow dyes may be useful for the determination of early Peruvian dyes.

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Section: Discussionsupporting

confidence: 90%

Section: Main Group Xanthopurpurin [Xapo]mentioning

confidence: 99%

Section: Baccaris Genistelloides)mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Dye Analysis of Pre-Columbian Peruvian Textiles With High-Performance Liquid Chromatography and Diode-Array Detection

Wouters¹,

Rosario-Chirinos²

1992

Journal of the American Institute for Conservation

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“…The separation technique was based on that of Schweppe 13 . Red samples were firstly separated with 9:1 toluene:acetic acid, examined under long-wave UV then sprayed with 10% potassium hydroxide in methanol, 14 while the second set of red samples was separated with 7:3 methyl ethyl ketone:formic acid, examined under long-wave UV then sprayed with 10% potassium hydroxide in methanol. The yellow and green samples were separated with 6:2:1:1 toluene:methanol:methyl ethyl ketone:formic acid, developed by spraying with 1% 2-aminoethyl diphenyl borate in methanol, and viewed under long-wave UV .…”

Section: Methodsmentioning

confidence: 99%

Later nineteenth century pigments: Evidence for additions and substitutions

Townsend¹,

Carlyle²,

Khandekar

et al. 1995

The Conservator

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Fine Art Examination and Conservation

Zelst

2000

Kirk-Othmer Encyclopedia of Chemical Technology

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Chemical and physical methodologies are applied in the study of museum objects for a variety of purposes including the establishment of authenticity, scholarly pursuits in art history and archaeology, and evaluation of the state of preservation. Objects may be composites or formed from relatively pure materials. The technological history for object types and materials and the methodologies most frequently used for their analysis and examination is summarized. Metals, ceramics, stone, and plant and animal materials are commonly encountered. An overview of materials properties is provided. Conservation science as a type of materials science research seeks to understand the processes involved in long‐term materials degradation, and from this understanding to formulate conditions for storage and exhibit most conducive to optimal preservation. Methods for preservation of metals, stone, and wooden objects are discussed.

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Identification of Dyes in Historic Textile Materials

Cited by 24 publications

References 0 publications

Dye Analysis of Pre-Columbian Peruvian Textiles With High-Performance Liquid Chromatography and Diode-Array Detection

Dye Analysis of Pre-Columbian Peruvian Textiles With High-Performance Liquid Chromatography and Diode-Array Detection

Later nineteenth century pigments: Evidence for additions and substitutions

Fine Art Examination and Conservation

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