Argentium
Sterling® Silver
Dilute Ammonium
Sulphide Accelerated Tarnishing Test Procedure
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Apparatus for tarnishing trials:
- Ammonium
Sulphide solution - 20%
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Beaker containing 200ml distilled water and 0.5ml ammonium sulphide solution is placed inside the container.
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The stainless steel mesh and the glass strip are placed on top of the container. The silver samples will be tested on top of the glass strip.
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Accelerated Tarnishing Test Samples
Samples exposed to 200ml distilled water/0.5ml ammonium sulphide solution for 1 hour. Standard Sterling on the left, Argentium® Sterling Silver on the right.
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1 hour exposure
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