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Table 2 Retention, UV–Vis and MS data for the dyes detected in the present study

From: Dyes and biological sources in nineteenth to twentieth century ethnographic textiles from Transylvania, Romania

Dye component (abbreviation) Retention UV–Visa [M−H]
ap 13.7 210; 268; 336 269
ca 8.8 226; 276; 310; 494 491
chry 13.9 299
dcII 8.3 288; 434 475
dios 14.0 299
ea 9.8 254; 366 301
em 17.5 222; 254; 266; 288; 438 269
fi 11.3 206; 248; 320; 360 285
fk 13.5 313
ge 13.4 208; 260 269
ind 16.2 238; 285; 330; 610 261
inr 17.0 261
ka 13.4 329
kpf 13.7 204; 266; 366 285
lu 12.7 208; 254; 266; 348 285
3-O-methylqu 12.9 315
qu 12.7 208; 254; 265; 248 301
srw 10.5 258; 306; 336 243
sul 12.2 256; 369 269
Indigo carmine 11.2 250; 288; 340; 615
Prussian blue Identified by FTIR/ATRb (signal at 2074 cm−1) and confirmed by the presence of Fe in XRFc
  1. Dyes are listed in alphabetical order. At the end, data on the synthetic dyes detected is given. See Table 1 for the natural dyes biological sources and the dyes names
  2. aUV–Vis data is given only for the major dyes (dyes identified by DAD in the present study)
  3. b,cSee text, “Results and discussion” section/Blue dyes/Shirts