Cleaning your silver jewelry with science
Popular Science is out with a guide on cleaning your silver jewelry at home with common house product. The article first explains why silver tarnishes so easily and then tells you how to easily fix it.
Silver jewelry is almost always sterling silver, which is 92.5% silver and usually the remaining metal alloy is copper.
"Pure silver doesn’t tarnish easily. But before you accuse any stores of selling you tin foil, know that jewelry is never 100 percent silver. The purest form of this metal is way too soft and malleable, and any pure piece would bend out of shape after a bit of use."
The copper alloy of the metal is often the culprit for why sterling silver tarnishes so easly. No worries says Popular Science, here is how to clean your tarnished sterling silver jewelry at home, you only need the following materials:
Container (takeout containers work well)
A beaker (or measuring cup)
1 cup of just-boiled water
1 tablespoon of baking soda
1 teaspoon of salt