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Re: [APD] Aquatic-Plants Digest, Vol 44, Issue 27

What about the dirt in the air from the wind?> > Lets start with defining the meaning of color white?> > The spectral purity of light reflected from the white pigment used in the plastic.> > The spectral distribution of the light that its viewed in..> > Whether any activated charcoal is present in the plastic...> > .. have I left out anything? this is April...> > Cheers> > -- > Raj, vu2zap> Bengalooru, South India.> > > > 
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