Insect Pins

[Doug Yanega]

Robin Leech wrote:

>Sometimes a verdigris forms with stainless pins.  I have never seen it with
>the
>enameled, black pins.

I'd *really* like to know what causes this, and whether it's true for
modern-era stainless pins, and not just those pre-1960. I've seen
serious cases where the pin corrodes right through, and I can't
imagine why we'd want to use a pin that will fall apart in less than
100 years.

Peace,
--

Doug Yanega        Dept. of Entomology         Entomology Research Museum
Univ. of California - Riverside, Riverside, CA 92521
phone: (909) 787-4315 (standard disclaimer: opinions are mine, not UCR's)
            http://entmuseum9.ucr.edu/staff/yanega.html
   "There are some enterprises in which a careful disorderliness
         is the true method" - Herman Melville, Moby Dick, Chap. 82