There are five main methods for analysing precious metals: Acid Test, Gold Electronic Testers, Fire Assay, Lab Analysis & Portable XRF.
Take a look at these methods and the importance of verifying the content of precious metals.
Precious metals are elements that are considered rare and chemically inert. They’re not abundant in nature, and therefore they have high economic value.
Ever wondered how to sort 'cash for gold' operations ensure they are duped with fake gold. Determining what other precious metals besides gold may be present in a sample can be a challenge.