Testing Silver and Silver Grades

The law requires metal to be marked by the makerflatware (knives, forks, spoons) was made with a
and the metal quality. For sterling, the mark will besilver alloy or 75% silver. This is certainly less than
either the numbers 925 (meaning 92.5 % silver, which issterling which legally means 92.5% and also less than
sterling) or a "sterling" stamp with the words. Look nearcoin silver. I suspect European manufacturer. The only
the clasp for the mark, at the end of the chain.real way to determine the value or origin of the item is
Sometimes the mark is on a little flat looking ring at thethrough those who do this sort of work with antique
end of the chain.silver and tableware items.
Sterling silver will tarnish and on some people itIf any marks including the 750 are hard to read, try this
tarnishes quickly due to body chemistry, and on otherstrick: With a candle soot the area of the mark. Then
it never tarnishes. To keep tarnish from happening,gently take some scotch or clear tape and place it
sterling is very often plated with another metal todown on the sooty area, rubbing gently. Then remove
protect the sterling and keep the tarnish fromthe tape and place it on a piece of white paper. The
happening. The plating will be a metal called "rhodium"marks should show up just fine. This is like lifting
which is very bright or another metal recently used onfingerprints! It does work fairly well.
silver that look more the color of silver. The chain canTips on testing silver. Firstly it is important to realize that
be sterling and still have the plate on the outside toyou do not use a touchstone for Silver. You should
prevent tarnish.test the article itself.
Acid test can be done by a jeweler. Generally a testLightly scratch or scuff a small spot which is not seen
will cost some money, not a lot, but maybe not worth(like underneath a silver teapot or inside a ring band
depending on what you paid for the chain. On a largeetc) and apply Nitric Acid to the spot.
heavy chain, the test might be worth it.If it turns a cloudy grey color it is Sterling Silver. If it
There is quite a bit of 800 silver and even 750, thereturns black it is Coin Silver. What you don't want is for
may be an 825 blend also. Scams are always possibleit to turn green which indicates it is plated.
so it is best to have it checked if you are in doubt.You must ensure you make the scratch deep enough
There is a British mark 625 which is for gold andto go beneath any plating though, else it won't react as
sometimes mistaken for 825 when an item is worn.it has to reach any base metal underneath. This can
But there are usually other British hallmarks included.be a little unsightly so make sure it is in an unobtrusive
In the 1800's and thereabouts much tableware includingarea.