releech at TELUSPLANET.NET
Fri Jul 26 18:58:47 CDT 2002
I think it is the nature of the organism, not the pin.
Scarabs, histerids and other that occupy themselves
with carrion and fecal material are the ones I note
most with the verdigris.
----- Original Message -----
From: "Doug Yanega" <dyanega at POP.UCR.EDU>
To: <TAXACOM at USOBI.ORG>
Sent: Friday, July 26, 2002 5:21 PM
Subject: Re: Insect Pins
> Robin Leech wrote:
> >Sometimes a verdigris forms with stainless pins. I have never seen it
> >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.
> 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)
> "There are some enterprises in which a careful disorderliness
> is the true method" - Herman Melville, Moby Dick, Chap. 82
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