Re: UV/ProfileMaker/Ambient light
Re: UV/ProfileMaker/Ambient light
- Subject: Re: UV/ProfileMaker/Ambient light
- From: Graeme Gill <email@hidden>
- Date: Fri, 07 Mar 2003 10:48:21 +1100
Roland Campa wrote:
>
According to the measurement of optical brighteners: Optical brighteners
>
usually have a maximum emission in a spectrum around 435nm and this can be
>
measured very well with all kinds of GretagMacbeth measurement instruments.
Yes, but the optical brighteners have a maximum _sensitivity_ to light
around 370 nm, which popular instruments don't measure.
Graeme Gill.
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