id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ccsj-69	Cavaleri, Tiziana; Clonier, Isabelle; Croveri, Paola; Giovagnoli, Annamaria; Piccirillo, Anna	Colorimetric and spectrophotometric analyses for an ecoinnovative application of natural dyeing in textile conservation	2016	9	.pdf	application/pdf	5239	175	46	Considering CRITT samples simulating the triangle’s sides, one problem about the use of natural dyes emerges soon: ΔE00 calculated between close natural samples (table 1) are high and non-homogenous, suggesting that operator SAMPLES OF COLOURS ALONG THE YMG TRIANGLE’S SIDES Pre-metallized YM mixtures CRITT natural dyeing Pre-metallized YG mixtures CRITT natural dyeing Pre-metallized MG mixtures CRITT natural dyeing Magenta % ΔE00 between close samples ΔE00 be- tween close samples Grey % ΔE00 between close samples ΔE00 between close samples Grey % ΔE00 between close sam- ples ΔE00 between close samples 0 0 0 10 19.2 19.1 10 26.3 12.4 10 5.2 6.2 20 11.3 12.2 20 9.2 21.3 20 4.1 11.3 30 5.1 11.4 30 6.4 14.5 30 2.2 7.4 40 4.3 6.3 40 4.1 5.1 40 2.1 3.3 50 1.2 7.2 50 3.2 50 2.3 4.1 60 3.4 7.3 60 3.1 18.2 60 2.3 5.2 70 2.1 15.3 70 3.1 5.4 70 2.1 4.2 80 2.2 7.2 80 2.4 6.1 80 2.4 5.3 90 2.4 2.2 90 2.2 4.1 90 1.2 4.1 100 3.3 3.4 100 2.1 3.2 100 1.3 3.2 Table 1 - Trends of the ΔE00 calculated between couples of close samples along the YMG triangle’ sides and between their respective couples of samples reproduced by CRITT with natural ingredients 74 Cultura e Scienza del Colore - Color Culture and Science | 06 NATURAL DYES AND NON-TOXIC MORDANTS BEHAVIOR Inside the collection of natural samples made by CRITT, many recipes contain more than one dye and/or more than one mordant.	cache/ccsj-69.pdf	txt/ccsj-69.txt