﻿Properties 
  of 
  Artists' 
  Colours, 
  727 
  

  

  The 
  following 
  paints 
  were 
  not 
  treated 
  with 
  hydrogen 
  

   peroxide, 
  but 
  the 
  effect 
  of 
  sunlight 
  alone 
  is 
  given. 
  

  

  Name 
  of 
  Paint. 
  Effect 
  of 
  Sunlight. 
  

  

  Italian 
  Pink 
  Quite 
  faded. 
  

  

  Galls 
  Yellow 
  Quite 
  faded. 
  

  

  Lemon 
  Chrome 
  Greenish. 
  

  

  Orange 
  Orpiment 
  Light, 
  red. 
  

  

  Fustic 
  Yellow 
  Quite 
  faded. 
  

  

  *Brown 
  Pink 
  Quite 
  faded. 
  

  

  Dragon's 
  Blood 
  Colourless. 
  

  

  Permanent 
  Scarlet 
  Green 
  brown. 
  

  

  Orange 
  Vermillion 
  Slightly 
  darkened. 
  

  

  Indian 
  Lake 
  White. 
  

  

  Deep 
  Rose 
  White. 
  

  

  Permanent 
  Crimson 
  White. 
  

  

  Burnt 
  Carmine 
  White. 
  

  

  Dahlia 
  Carmine 
  White. 
  

  

  tViolet 
  Carmine 
  White. 
  

  

  Indian 
  Purple 
  Grey. 
  

  

  Pink 
  Madder 
  Darkened. 
  

  

  Cologne 
  Earth 
  Pale. 
  

  

  Chalon's 
  Brown 
  Slightly 
  pale. 
  

  

  Roman 
  Sepia 
  Reddish 
  white. 
  

  

  Warm 
  Sepia 
  White. 
  

  

  Extract 
  of 
  Madder 
  Pale. 
  

  

  Hooker's 
  Green 
  1 
  Dark. 
  

  

  Hooker's 
  Green 
  2 
  Bluish 
  green. 
  

  

  Olive 
  Green 
  Brown. 
  

  

  Prussian 
  Green 
  Bluish. 
  

  

  * 
  Bleached 
  by 
  ozone 
  in 
  30 
  mins. 
  

   t 
  Bleached 
  bv 
  ozone 
  in 
  4 
  hrs. 
  

  

  Zinc 
  Yellow, 
  Malachite 
  Green, 
  and 
  Verditer 
  were 
  decolorized 
  

   at 
  once 
  by 
  hydrogen 
  peroxide, 
  Madder 
  Orange 
  after 
  heating 
  

   for 
  three 
  days. 
  

  

  The 
  following 
  were 
  found 
  to 
  be 
  stable 
  to 
  hydrogen 
  per- 
  

   oxide 
  : 
  — 
  

  

  Alizarin 
  Scarlet. 
  

   Alizarin 
  Crimson. 
  

  

  Ivory 
  Black. 
  

   Bitumen. 
  

  

  The 
  following 
  to 
  sunlight 
  : 
  — 
  

  

  Permanent 
  Yellow. 
  

   Mars 
  Yellow. 
  

   Chinese 
  Orange. 
  

   Burnt 
  Yellow 
  Ochre. 
  

   Burnt 
  Gold 
  Ochre. 
  

   Mars 
  Orange. 
  

   Turner's 
  Brown. 
  

   Leitch's 
  Brown. 
  

   Veronese 
  Green. 
  

  

  Veridian. 
  

  

  Ultramarine. 
  

   *Ultramarine 
  Ash, 
  1, 
  2, 
  & 
  8. 
  

  

  Mineral 
  Grey. 
  

   -French 
  Blue. 
  

  

  Cyanine 
  Blue. 
  

  

  Intense 
  Blue. 
  

  

  Chinese 
  Blue. 
  

  

  