Platinum is in Modern Hard Drive Platters

Platinum recovery from Hard Drive Platters has been knocked on the head for quite some time but unlike most new technology, Hard drives have actually turned around and modern platters do contain Platinum along with a multitude of metals.

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So no matter what you read online about platters, all the tests to date from refiners have been with older H/D's.

My estimate is H/D's from 2008 above or to be safe, 240 GB H/D's should all contain new style platinum platters and ALL Laptop Platters, which are glass contain Platinum as the test results suggest.