Type R thermocouple

Originally Posted by ehead14

Does anyone know how to salvage the platinum out of an old furnace thermocouple probe?

Mechanical destruction belt sander, bench grinder, shredder / hammer mill since the stainless steel used in this application as is the platinum are both none magnetic you will have to rely of gravity separation to separate the fractions.

The density of platinum is 21.45 g/cm³. This makes it one of the densest elements.