when dealing with waste water and the total values of P, N, C are given in ppm units, what molecular weight is used for converting from ppm to molar?
for Example- what will be 12 ppm of P(T) in Molar unit?
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$\begingroup$ What (T) in P(T) means ? $\endgroup$– PoutnikCommented Apr 18, 2021 at 18:12
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$\begingroup$ T stands for Total $\endgroup$– Efrat BrayerCommented Apr 18, 2021 at 18:18
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$\begingroup$ Then it is easy - use the phosphorus molar mass, about 31 g/mol, i.e. about 31 ppm = 1 mol P/L. But consider some P is not in form.of simple phosphate. I remember mineralisation of waste water by peroxodisulphate for further analysis. $\endgroup$– PoutnikCommented Apr 18, 2021 at 20:02
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