U of S | Mailing List Archive | alt-photo-process-l | alizarin crimson and lightfastness

alizarin crimson and lightfastness


  • To: alt-photo-process-l@usask.ca
  • Subject: alizarin crimson and lightfastness
  • From: Laura Valentino <laura@this.is>
  • Date: Fri, 08 Aug 2008 15:36:41 +0000
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I read on the Handprint website that alizarin crimson PR 83 has a very low lightfastness rating, but the label on my tube of Sennelier Aquarelle brand gives it an ASTM rating of 1. What gives?

Best Regards,
Laura