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01-03-2017
Chemistry

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how does ppm compare to ppb?

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maura2mconroy0547 maura2mconroy0547

08-03-2017

Another way to say it is a liter of water weighs 1,000 grams or 1 million mil- ligrams. Therefore, 1 mg in 1 liter is l mg in 1 million mil- ligrams or 1 part per million. An even smaller concentra- tion measurement is parts per billion (ppb).

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