gcote at radford.edu
Fri Oct 12 10:25:42 EST 2001
At 03:39 PM 10/12/01 +0100, Magaly wrote:
>I am in crunch here for time. I know this question has come up in the list
>some time ago. What is the conversion factor from foot candle to moles
>Not a shred of evidence exists in favor of this idea that life is serious
> --Brendan Gill.
>Magaly Rincón-Zachary, Ph.D.
>Associate Professor and Graduate Coordinator
>Midwestern State University
>3410 Taft Blvd.
>Wichita Falls, TX 76308
>Phone: (940) 397-4254
>Fax: (940) 397-4831
>E-mail: magaly.rincon at mwsu.edu
The simple answer is you can't convert foot-candles to mol/m2 s.
1 fc = 1 lumen /ft2
1 lux (the SI unit) = 1 lumen / m2
so 1 fc = 10.76 lux
A lumen is a measure of energy and so the conversion of lumens to moles
depends on the wavelength.
Time doesn't enter the equation anywhere.
This information is from the lab manual I wrote for in-house Cell Biology.
I'm not an expert on light measurements. If I'm wrong, I hope to be
Dr. Gary Coté
Department of Biology
Radford, VA 24142-6931
email: gcote at radford.edu
More information about the Plant-ed