Re: alizarin crimson and lightfastness

[Laura Valentino <laura@this.is>]

It's PR83, so I guess it's the original stuff. I think I'll try one of 
the others you mentioned. I only got the alizarin because I recognized 
the color from my oil painting days. Really nice and mixable color.

Thanks!

Laura

Christina Z. Anderson wrote:
> Check to see if the tube has a different paint no. because they started 
> making alizarin crimson substitutes when they found out it was not very 
> lightfast, though the substitutes were not exactly like it.
>
> If it is the same no. I personally wouldn't use it. I used to watercolor 
> years ago and it doesn't take long to fade.
>
> There is really not a perfect substitute for alizarin crimson but there 
> are some wonderful reds that work well, like PR 178 and PR 179, perylene 
> red and perylene maroon.  Very bloody colors, deep and rich.
> Chris
>
> ----- Original Message ----- From: "Laura Valentino" <laura@this.is>
> To: <alt-photo-process-l@usask.ca>
> Sent: Friday, August 08, 2008 9:36 AM
> Subject: alizarin crimson and lightfastness
>
>
> > 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