RE: [ihc] John's advanced degree

["John M. Adams" <jma@xxxxxxxxxxx>]

> -----Original Message-----
> From: owner-ihc@domain.elided [mailto:owner-ihc@domain.elided]On Behalf Of
> Ryan Moore
> Sent: Tuesday, January 13, 2004 3:56 PM
> To: jma@domain.elided; ihc@domain.elided
> Subject: Re: [ihc] John's advanced degree

> >
> > Speaking of salt, this brings up another one of my dumb questions. When
> > people speak of salt, as in "salting the roads", are they talking about,
> > well... salt? As in sodium chloride? Or is "salt" just slang for some
> other
> > de-icing chemical, like the stuff you can buy in bags - magnesium
> chloride,
> > I think. Thanks for any insight on this one. -John A.


> I think it's pretty much rock salt mixed with sand etc...
>
> Um, isn't magnesium chloride simply another "salt"?
>
> Table salt is sodium chloride (or NaCl), but it is not the only "salt"
> around...
>
> Thanks,
> Ryan

Ryan, you're right. I didn't express that very well. What I was trying to
ask was whether the salt they use on the roads is like regular table salt
(sodium chloride), or another type of salt (like magnesium chloride). Maybe
it varies by location? Also, is one worse than the other in terms of
corrosion? Thanks, -John A.
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