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Re: Measuring Optical Brightners



> Is there a list available somewhere of papers that do or don't use optical
> brighteners? 
> 
> For example a listing that might say whether Epson's Professional Semimatte or
> Enhanced Matte or Han. Photo Rag use optical brighteners?
> 
> Nick 

Most people simply observe the rule that as the value of b* increases
negatively, eg from -2 to 23 to -4 to -6 to -9 and so on, then that's a sure
sign that there is fluorescence involved.

Regards,

Roger Breton  |  Laval, Canada  |  email@hidden
http://pages.infinit.net/graxx


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References: 
 >Re: Measuring Optical Brightners (From: Nicholas Androulidakis <email@hidden>)



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