There are over 90 different types of metals on Earth. Metals are divided into ferrous and non-ferrous categories. Traditional classification used color-based groups in former Soviet Union
Pure silver has a 1,000 grade value. 800 grade silver indicates metal purity. 825 silver mark denotes 82.5% silver content
SciAps offers LIBS and XRF analyzers for elemental analysis across industries. Z-Series uses high-precision laser-based LIBS for ultra-low element analysis. X-Series is world's fastest, lightest XRF gun weighing 3 lbs. Both Z and X series run on same software platform in OneBox package
Gold was valued as wealth centuries ago despite being rare. Seashells, cigarettes, and mackerel cans were previously used as currency