According to the FDA and a study from the University of Clemson, aluminum from pots can leech into food. It depends on what and if the pot was coated with another material and the type of food. Certain acidic foods can react with the pot and cause more leeching. Scratches on the surface of the pot can also increase the leeching. Aluminum is a soft metal--that is why it can be made into foil.
See http://housewares.about.com/lw/Food-Drink/Cooking/Cookware-Should-You-Splurge-or-Save-.htm and http://hgic.clemson.edu/factsheets/hgic3864.htm
They are made of Aluminum because aluminum gathers and stores heat.
Simple answer: Most pots and pans are made of aluminum. So, YES.
You should aviod the use of aluminum pots, pans, and prepware that comes into direct contact with food you are canning. The salts and acids of foods can react with it.
More modern cooking implements are made of aluminum or stainless steel, older pots and pans were made predominantly from cast iron, and prior to that copper
Pots and pans rarely contain minerals. However, they DO contain metals, most commonly iron, aluminum and copper.
soda cans and pots and pans
Steel. I think. The can be made of steel, aluminum, or copper.
aluminum pots and pans
Aluminum, iron, and copper.
its time to buy a new pot
Typically, your pots that are made from iron will take a little longer to eat up as opposed to aluminum. There is some comound in the aluminum that allows the heat to spread quicker through it and thereby cook your food faster.
This type of cookware is made of aluminum which is a reactive and soft metal. During cooking, the aluminum can leech to the food being prepared.