This paper focuses on the first investigation of 19th-century manufacture red lake pigments obtained from madder by Winsor & Newton (W&N), prominent artists’ colourman at that time. The approach to their was carried out studying entries company’s book P1, found in W&N 19th Century Archive Database. Eleven production records were discovered under names such as Rose Madder, Madder Car...

In recent years, chitosan and its different derivatives have been extensively used in surface modification and functional finishing of textiles. In this study, wool yarns used in handmade carpet were treated with different concentrations of chitosan-poly (amidoamine) dendrimer hybrid (Ch-PAMAM) and characterized by scanning electron microscope (SEM), and their dyeing properties were investi...

The Derivative Spectrophotometry usually improves resolution bands, eliminates the influence of background and provides more defined fingerprints than original spectra, hence enhancing the detectability of minor spectral features. In this work, different madder types were collected and applied for dyeing woolen yarns used in Persian carpet in conventional pre-mordanting and dyeing process with ...