The degumming of silk fabrics: a preliminary near infrared study (Articolo in rivista)

Type
Label
  • The degumming of silk fabrics: a preliminary near infrared study (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Mossotti R.; Innocenti R.; Zoccola M.; Anghileri A.; Freddi G. (2006)
    The degumming of silk fabrics: a preliminary near infrared study
    in Journal of near infrared spectroscopy
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mossotti R.; Innocenti R.; Zoccola M.; Anghileri A.; Freddi G. (literal)
Pagina inizio
  • 201 (literal)
Pagina fine
  • 208 (literal)
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  • http://www.impublications.com/content/jnirs-table-contents?issue=14_3 (literal)
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  • 14 (literal)
Rivista
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  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Mossotti R, Innocenti R., Zoccola M. CNR ISMAC Freddi G.Anghileri A., ,Stazione Sperimentale della Seta, , (literal)
Titolo
  • The degumming of silk fabrics: a preliminary near infrared study (literal)
Abstract
  • The silk filament spun by the silkworm (Bombyx mori) is composed of two fibroin filaments held together by a cementing layer of sericin. Fibroin and sericin account for about 75 w% and 25 w% of the raw silk, respectively. The degumming process involves removing the sericin layer prior to dyeing. Generally, it makes use of a solution containing soap, synthetic detergents or proteolytic enzymes. A set of 50 protease degummed silk fabrics (crepe) with different weight losses were analysed by means of near infrared (NIR) spectroscopy. A correlation between degumming loss (SE=0.312%) and NIR spectra was obtained using the principal component regression (PCR) algorithm. The correlation obtained had a coefficient of determination (RI) of 0.97 and a standard error of calibration (SEC) of 1.6% for a mean value of 14.6%. In the second part of the study, NIR spectroscopy was used to determine the concentration of sericin in solution. A set of sericin aqueous solutions ranging from 20 g L-1 to 200 g L-1 was prepared and the spectra were acquired in transilectance mode between 10000-3700 cm(-1) and correlated with corresponding sericin concentration values. The correlation obtained between specified sericin concentration values and values estimated by NIR spectra had the statistics R-2 of 0.99 and SEC of 4.9 g L-1 for an average sericin concentration of 103.8 g L-1. The assignment of characteristic NIR spectral bands of sericin and fibroin was made. (literal)
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