Anybody know the mean of "pptM"?

[Jaehwan Lee]

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

[AICMM]

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

[Peter Apps]

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

[Jaehwan Lee]

Thanks. Peter Apps