It’s too bad that whenever I get interesting images, it’s usually a sign that
something’s gone wrong.
In this case, the rainbow rings means that there’s some junk left on my sample -
this is residue left behind from IPA (now, that’s isopropyl alcohol, not
![(Untitled)](/content/images/size/w795/2642c083ed38080ef5ecd44bbd2b4d3f/tumblr_mok4e58lpJ1spzrmao1_1280.jpg)