25 ml, 50 ml, 100 ml, 250 ml, 500 ml, 1 Ltr DROP Bottle
Silver testing solution manufacturer and supplier. Place a drop of acid on the object to be tested.
Pure silver will turn the solution bright red ( creamy colour ), STERLING SILVER will turn it dark red ( Black ), low grade COIN SILVER (0.800 fine) will turn brown ( green, largely due to the presence of copper which turns the solution brown / green ) and even green for 0.500 silver.
If you cannot find a mark or a stamp on the piece and you are looking for sterling silver, it does not mean it is not silver, many countries do not require that precious metal items be stamped.
Chemical test method - Follow above application BLOCK.
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