Ya, I've had this happen with piquant sauce on meatloaf.  It must be the vinegar and tomato products.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Ryan Grant
Sent: Monday, February 23, 2004 2:35 PM
To: [log in to unmask]
Subject: [TN] NTC aluminum foil eating barbecue sauce


Hi Technetters,

I have a question for the chemist gurus out there.  My wife and I were
surprised to find the aluminum foil that was covering our spare ribs had
holes eaten away wherever the foil had sagged and touched the barbecue
sauce.  Now I'm wondering what chemical reacted with the aluminum foil
to dissolve it?  It took about 24 hours to get 7 mm diameter holes all
over the foil.  The ingredients of the sauce are as follows:

High fructose corn syrup, water, concentrated tomato juice, vinegar,
food starch-modified, salt, honey, contains less than 2% of paprika,
molasses, hickory smoke flavor, spice, mustard flour, guar gum, natural
flavor, red 40.

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