Re: What's the acrid dust when wire-brushing battery terminals?
- From: "engineman1@xxxxxxx" <engineman1@xxxxxxx>
- Date: Sat, 09 Jun 2007 20:21:06 -0700
On Jun 9, 1:30?pm, Loren Amelang <l...@xxxxxxxxxxx> wrote:
On Fri, 08 Jun 2007 12:49:43 -0700, "enginem...@xxxxxxx"
<enginem...@xxxxxxx> wrote:
The white powder on the battery terminals is zinc sulfate, produced by
the action of sulfuric acid on the brass cable connector which is an
alloy of copper and zinc.
Most likely your water heater coil is brass or uses brass fittings and
has corrroded somewhat, leaving a zinc compound.
Aha... A zinc component seems to fit better with the smell/taste of
the stuff than lead does. It has a little of the taste of an old
selenium rectifier, but I've never known if that was actually the
selenium or some processing artifact.
Thanks!
Loren
Was your rectfier soldered to the wires? Soldering paste usually
contains zinc chloride which has a very astringent taste like all
soluble zinc compounds. Selenium tastes more like garlic.
Engineman
.
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