Gold adulteration is at? Add ruthenium malicious, iridium, osmium, tungsten and other elements, like the creeping, X-ray energy dispersive fluorescence spectrometer EDX6000 gold power quickly identify true and false

Precious metals mainly refers to gold, silver and platinum group metals (ruthenium, rhodium, palladium, osmium, iridium, platinum) of 8 kinds of metallic elements.

Recently, the market appeared in the expensive gold involved in super cheap ruthenium, it is difficult to distinguish authenticity. Ruthenium the melting point of 2607 k (2334. C), more than double the gold, the properties of the ruthenium is stable, strong corrosion resistance, temperature or corrosion ability of hydrochloric acid, sulfuric acid, nitric acid and aqua regia. Gold and ruthenium conventional melting method can only melting gold and other low melting point metal, has not been melted metal ruthenium conceal themselves well. Price per gram of ruthenium relative to the gold is very cheap, so there is a huge arbitrage space.

Gold adulteration is at? Add ruthenium malicious, iridium, osmium, tungsten and other elements, like the creeping, X-ray energy dispersive fluorescence spectrometer EDX6000 gold power quickly identify true and false

In addition, gold ornaments add iridium, osmium, tungsten and other elements, is a common method for adulteration act the role ofing is tasted.

Because of iridium, osmium, tungsten three precious metals and gold melting point (1064 ℃), the temperature of the melting point is different, the dopant is linked to its own tiny particles in gold ornaments, generally it is difficult to identify with the naked eye. At the same time, by adding metal composition of alloy density and the density of gold, with density method cannot verify authenticity.

The following is a precious metal density and melting point

Gold adulteration is at? Add ruthenium malicious, iridium, osmium, tungsten and other elements, like the creeping, X-ray energy dispersive fluorescence spectrometer EDX6000 gold power quickly identify true and false

Gold is the difficulty of identification to the naked eye, it is difficult to identify density was close to finished product, because gold is expensive and not at the same time on the destructive test. In this case, the x line energy dispersive fluorescence spectrometer EDX6000, perfect solved the problem of the gold adulteration.

Konica minolta fluorescence spectrum test not only the whole test process completely, and can be a one-off quick screening out adding elements of ruthenium in gold, iridium, osmium, tungsten, etc. Analysis of high precision, good testing stability, has become an essential tool for gold detection.