What is concentration?

  • (noun): Strengthening the concentration (as of a solute in a mixture) by removing extraneous material.
    See also — Additional definitions below


In chemistry, concentration is defined as the abundance of a constituent divided by the total volume of a mixture. Furthermore, in chemistry, four types of mathematical description can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. The term concentration can be applied to any kind of chemical mixture, but most frequently it refers to solutes in solutions.

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Some articles on concentration:

Table of Concentrations and Related Quantities
... Concentration type Symbol Definition SI unit other unit(s) mass concentration or kg/m3 g/100mL (= g/dL) molar concentration mol/m3 M (= mol/L) number concentration 1/m3 1/cm3 volume concentration m3/m3 Related ...
Copper Extraction Techniques - Concentration
... The first stage of any process within a metallurgical treatment circuit is accurate grinding or comminution, where the rock is crushed to produce small particles (. ...
Western New England University School Of Law - Curriculum - Concentrations
... effectiveness of legal education, Western New England University introduced six concentrations beginning in the Fall 2008 term ... Second- and third-year students can choose a concentration to focus their study on ... Each concentration has specific course and fieldwork requirements ...
Ebensee Concentration Camp - Formation
... with the Mauthausen subcamp of Gusen, Ebensee is considered one of the most horrific Nazi concentration camps ... of death unknown) was a Nazi, a crew member of the German concentration camp Mauthausen-Gusen concentration camp, and SS-Obersturmf├╝hrer ...
Odour Activity Value
... It is calculated as the ratio between the concentration of individual substance in a sample and the threshold concentration of this substance (odour threshold value, the minimal concentration that can be detected by ...

More definitions of "concentration":

  • (noun): Bringing together military forces.
  • (noun): Increase in density.
  • (noun): The strength of a solution; number of molecules of a substance in a given volume (expressed as moles/cubic meter).