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How to convert PPMw (by weight) to PPMv(Volume) for H2S & moisture(H2O) in gas mixture?
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MrShorty
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Posted 15 July 2021 - 02:05 PM
What assumptions or model or such do you want to use for the conversion?
It seems that, for gas phase calculations, a common assumption is to assume ideal gas. If we do this, then it is a simple matter to convert mass to moles (using the molecular weight), then use the ideal gas law to convert moles to volumes, then total it all up and compute the volume fractions.
Does that sound like an appropriate approach for what you are doing?
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