Concentration PPM

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January 17, 2007 at 7:07 pm #45850

SR
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Hi,
Ho do we calculate concentration PPM? For example, I have 800mg of lead in my product and I need to calculate PPM.
THANKS

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January 18, 2007 at 7:17 am #150719

BB
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If it was 800mg in 800g of product, that would be a concentration of 1000 ppm.
It’s not hard to see why I’m a black belt is it ?

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