Comments on: What is Average Abundance means in copper and molybdenum? http://molybdenuminfo.com/2008/08/25/what-is-average-abundance-means-in-copper-and-molybdenum/ Answering your molybdenum questions Sat, 11 Sep 2010 00:54:49 +0000 http://wordpress.org/?v=2.6.3 By: Steve O http://molybdenuminfo.com/2008/08/25/what-is-average-abundance-means-in-copper-and-molybdenum/#comment-14 Steve O Wed, 27 Aug 2008 02:16:12 +0000 http://molybdenuminfo.com/?p=14#comment-14 when they say that something is 0.17% copper... it tells you that something has 0.17 grams of copper in 100 grams of the mix. (they could have said it was 1.7 parts per thousand, or 1700 ppmillion... same ratio) if they are saying that something is 398 ppm molybdenum... it tells you that something has 398 grams of molybdenum in 1 million grams of the mix. (they could have said it was 0.0398 % molybdenum, it comes out the same abundance) when they say that something is 0.17% copper…
it tells you that something has 0.17 grams of copper in 100 grams of the mix. (they could have said it was 1.7 parts per thousand, or 1700 ppmillion… same ratio)

if they are saying that something is 398 ppm molybdenum…
it tells you that something has 398 grams of molybdenum in 1 million grams of the mix. (they could have said it was 0.0398 % molybdenum, it comes out the same abundance)

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