How many ounces (or grams) of platinum are there in a vehicle catalytic converter?
by 
Tizhimself
ANSWERS: 2
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Not ounces, not grams, probably milligrams: it is a very thin coating on a ceramic body. It pays to recycle the platinum from the catalytic converters, but it wouldn't be enough for an engagement ring ;-) ____________________________________________ EDIT: Mark me surprised, but I was off by orders of magnitude, according to a document at: www.utexas.edu/research/ceer/greenmaterial/ Assignments/Sample%20Projects/platinum%20flows.doc (direct linking doesn't work, google for "Flow of Platinum and the Platinum Group Metals in the United States" to find the .doc) the average converter may contain 1.5gram of Platinum group elements (Platinum, Rhodium, palladium) Apologies...
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That is where you are completely wrong, the average engagement ring weighs roughly 3 grams(just the PM no diamonds) and the average catalytic converter contains 3 to 7 grams of platinum or rhodium depending upon the make/model vehicle. Rhodium is a much more valueable metal than platinum; therefore, it would be more than enough for a ring, thus you are completely incorrect in everything you had mentioned above. Considering rhodium is usually a much more expensive PM than platinum as well, just the current market it is down tremendously.
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