Talk:Concentration: Difference between revisions

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imported>Milton Beychok
imported>Daniel Mietchen
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Would it not be helpful to mention at least a few of the other ways of expressing concentration? Regards, [[User:Milton Beychok|Milton Beychok]] 20:06, 29 January 2009 (UTC)
Would it not be helpful to mention at least a few of the other ways of expressing concentration? Regards, [[User:Milton Beychok|Milton Beychok]] 20:06, 29 January 2009 (UTC)
:I stick to SI units as far as possible but sure, go ahead. I do not have particular plans for this one, just needed it for [[Concentration (disambiguation)]]. --[[User:Daniel Mietchen|Daniel Mietchen]] 03:38, 1 February 2009 (UTC)

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 Definition:  In science, engineering and in general common usage: the measure of how much of a given substance there is in a given mixture of substances. [d] [e]
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Many other expressions of concentration

Daniel, as you know, there are quite a few ways to express concentration other than moles per litre. For example:

  • mass per volume (mg/m³, kg/m³, pounds per gallon or lb/gal)
  • parts per million by volume (ppmv) and parts per million by weight (ppmw)
  • molality of solutions, which is moles per mass (mole/kg)
  • mole fraction (moles of component x per total moles)
  • percent by volume (%v) and percent by weight (%w)

Would it not be helpful to mention at least a few of the other ways of expressing concentration? Regards, Milton Beychok 20:06, 29 January 2009 (UTC)

I stick to SI units as far as possible but sure, go ahead. I do not have particular plans for this one, just needed it for Concentration (disambiguation). --Daniel Mietchen 03:38, 1 February 2009 (UTC)
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