Cupels - Runtao Ceramic

Fire Assay Cupels: Essential Tools in Precious Metal Testing

In metallurgy and precious metal analysis, Fire Assay Cupels play a critical role. These small but powerful ceramic containers are used in the fire assay process, a centuries-old method still considered the most accurate way to determine the presence and purity of gold, silver, and platinum in ores, alloys, and recycled materials. What Are Fire […]

Understanding the Fire Assay Process: Accurate Precious Metal Analysis

The fire assay process is the industry-standard method for determining the concentration of precious metals like gold, silver, and platinum group elements (PGEs) in ores, concentrates, and other metallurgical samples. Known for its precision and reliability, this method has been used for centuries to provide accurate analysis, particularly in mining and metallurgical laboratories. In this

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