Nephelometric

Method of of measuring turbidity in a water sample by passing light through the sample and measuring the amount of the light that is deflected.
Found on http://www.epa.gov/OCEPAterms/

nephelometric

nephelometry, nephelometric The estimation of the concentration of particles in a suspension by means of a nephelometer.
Found on http://www.wordinfo.info/words/index/info/view_unit/1302/26
No exact match found