Instrument for analyzing the content of precious metals in blocks
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I would like to ask: I have precious metal ingots such as gold, platinum, palladium, silver, etc., each weighing about 0.5g. What analytical instruments can be used to determine the content of these different precious metals? What are the specific testing methods, the time required, and the accuracy levels? What are the approximate selling prices of these instruments?
-- I remember there being a portable analytical instrument that could scan ores to determine their composition. However, the accuracy is not high, and the price is also relatively expensive. --
If the composition of these particles is uniform, an X-ray fluorescence analyzer or an ICP analyzer can be used.
Today, a friend suggested that I send it to a research institution for ICP-AES analysis, but it will take quite some time, and the cost of having it analyzed on behalf of me is also high； I also inquired about portable and desktop XRF units, as well as an EDXRF model designed specifically for measuring precious metals. I’ll check with them again regarding their products. Thank you to the two people who replied above.
0.5g？ It depends on how much accuracy you need. If the composition is uniform, an X-ray fluorescence analyzer can be used. Otherwise, analyze the concentration in the liquid phase after dissolution and work backwards