Vibrational spectroscopic applications for detecting of consolidated harakeke fibres in conservation

• Main Authors: Samanali, Garagoda Arachchige P., Paasi, I., Dunne, Henry, Lowe, Bronwyn J., Smith, Catherine A., Fraser-Miller, Sara J., Gordon, Keith C.
• Other Authors: Asian Spectroscopy Conference 2020
• Format: Conference or Workshop Item
• Language: English
• Published: 2020
• Subjects: Science::Chemistry; Raman Spectroscopy; Infrared Spectroscopy
• Online Access: https://hdl.handle.net/10356/144325
• Institution: Nanyang Technological University

Traditional Māori textiles are mostly composed of harakeke fibres (Phormium tenax, New Zealand flax) and coloured by various natural dyes. Fibres are dyed black (paru) with iron tannate compounds [1]. These textiles are liable to degradation which is believed to occur via acid catalysed hydrolysis a...