Showing posts with label nickel. Show all posts
Showing posts with label nickel. Show all posts

nickel

Nickel In Platinum Ring 2022

Nickel In Platinum Ring 2022

Nickel In Platinum Ring 2022 . Pt900/ir = 900 parts platinum, 100 parts iridium. There are 4 platinum alloys commonly used in the usa. J...

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