Testing Instructions




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GTS Additional Solution Testing Info

Additional Solution Testing Info

  How to check your gold jewelry purity. If you are not sure about your gold jewelry purity you can check it with a simple Gold Test Kit. The Kits...
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GTS Gold and Silver Testing Instructions

Gold and Silver Testing Instructions

Pre-Mixed Test Acids Pre-mixed gold, silver, and platinum test acids are available for those who do not wish to mix and handle acids. Generally a...
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