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DR RUTH SIDDALL: PLANT TO PIGMENT: MAKING LAKE PIGMENTS FROM PLANT DYES
Wednesday 15 July, 4.30pm Ruth Siddall is a geologist who studies the mineralogy of cultural materials; pigments, stones, ceramics and cements in archaeological and contemporary contexts. Educated at the University of Birmingham and at UCL, she has conducted research into materiality in classical and medieval archaeological contexts and has recently held the post of Scientist in Residence at the Slade School of Fine Art. She has been using this period of lockdown to improve her knowledge of organic chemistry as applied to colour and has been making dyes and lake pigments from natural plant materials.
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8/12/2020
DR EMMA RICHARDSON: WHEN IS A COLOURANT NOT A COLOURANT?
Inaugural Lecture DR EMMA RICHARDSON: WHEN IS A COLOURANT NOT A COLOURANT? Friday 26 June, 4.30pm It will be an introduction to dyes,  the origin of colour, factors that affect the colour of dyes, such as the presence of mordants, different fibre types, changes in temperature and pH, and other factors to consider during dyeing beyond the dye itself. Emma currently holds the position of Group Lead for Analytics and Modelling at the National Physical Laboratories. Prior to joining NPL she was Associate Professor of Materials within the Department of History of Art, UCL, where her research focused on the degradation of fibre and film materials in heritage collections.
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8/11/2020