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Gold Karat Authenticator

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People buy gold all the time. But have you ever thought about authenticating karat grades of gold? The Gold Karat Authenticator makes that happen without you having to use dangerous chemicals or gels. It measures electromagnetic frequency of a tested object using a safe saline solution that acts as an electrolyte. This device can be used to identify fake gold products too. It is good for up to 5000 tests.

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