Pros and Cons of Methods Used for
Testing Precious Metal Content
Methods used for testing the precious metal content in materials have changed drastically. Today, modern science has definitely taken its place in testing for gold, silver, and platinum in various forms. Below is the list of the methods that are available today.
|Test Solutions||Quick, Low cost, Portable kit||Poor accuracy,Harmful acids used, Need some experience, Large lots are time consuming,|
|Test Stones||Quick, Low cost, Portable kit||Limited range, Poor-|
|Electronic Gold Tester||Quick, Low cost, Full range of carats, Portable kit||High cost for features, Accuracy very dependant on composition|
|Fire Assay||Standard Method, Extremely accurate||Full lab required, High experience level needed, Hazardous waste and fumes, High amount of labor and time needed|
Highly accurate, Results in 5 minutes or less, Fits in an office
No hazardous materials, Checks for all metals
|High experience level needed, Expensive: $30,000+, Portable units do not have the accuracy of lab units|
|ICP (Inductively Coupled Plasma||Highly accurate for all metals, Smallest percentage can be measured||Very expensive: $100,000+, Not portable, Extremely high level of experience needed, Very clean environment required|
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