Anybody know the mean of "pptM"?

Basic questions from students; resources for projects and reports.

4 posts Page 1 of 1
pptM is "parts-per-trillion by Molar"

If possbile, can anybody explain pptM using example?
For example, pptM is equal to ..........ppbM.

Thank you for your help.
Lee
Moles of benzene in moles of nitrogen. 1 mole of N2 being approx 22.4 L of gas. Used in gas phase work all the time.


Best regards,

AICMM
Jaehwan Lee wrote:
pptM is "parts-per-trillion by Molar"

If possbile, can anybody explain pptM using example?
For example, pptM is equal to ..........ppbM.

Thank you for your help.
Lee


In SI units that are universally understood and readily interchangeable pptM is equivalent to pmol/mol, and ppbM is equivalent to nmol/mol. They are mole fractions and within the limits of the gas law also volume fractions.

Peter
Peter Apps
Thanks. Peter Apps
4 posts Page 1 of 1

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