Re: Optical Brightneners
Re: Optical Brightneners
- Subject: Re: Optical Brightneners
- From: email@hidden
- Date: Wed, 19 Dec 2001 16:49:04 EST
In a message dated 12/19/01 12:14:34 PM, email@hidden writes:
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I remember the discussion recently on the list about watching that b value
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going over " 5 " as a strong indicator that a substrate contains OB. But
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I
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am not sure what to make of this substrate having a b* value of -3.60 ?
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Does
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not seem high enough ?
Unless the paper actually has a slight blue cast, then this indicates mild
whiteners, not enought to raise much havoc...
C. David Tobie
Design Cooperative
email@hidden