04-07-02 10:40
No 293727
I found a picture of a UVS-11 Mineralight. I got a UVS-12 from a thrift store for $2. It came in a box along with various rock specimens. It says shortwave UV on the box. I used something like it in a couple chemistry and biochemistry courses for making spots visible when doing TLC.
http://www.geocities.com/dritte123/PSPF.
The hardest thing to explain is the obvious
