Thread: Salinities: PPT vs PPM
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Old 03-17-2012, 11:35 PM
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DannyI DannyI is offline
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That's parts per billion. PPB would be smaller in comparison to PPM. PPT is parts per thousand, PPM is parts per million. So it's : PPT = 1 part in a thousand; PPM = 1 part in a million; PPB= 1 part in a billion






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