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Turbidimetry (the name being derived from turbidity) is the process of measuring the loss of intensity of transmitted light due to the scattering effect of particles suspended in it. Light is passed through a filter creating a light of known wavelength which is then passed through a cuvette containing a solution. A photoelectric cell collects the light which passes through the cuvette. A measurement is then given for the amount of absorbed light.[1]

Turbidimetry can be used in biology to find the number of cells in a solution.[2]


  1. ^ Mary C. Haven; Gregory A. Tetrault; Jerald R. Schenken (1994). Laboratory Instrumentation. John Wiley and Sons. ISBN 0471285722. 
  2. ^ D. M. Vasudevan; DM Vasudevan; S Sreekumari; Vaidyanathan Kannan (2010). Textbook of Biochemistry for Medical Students (6th ed.). Jaypee Medical Publishers. ISBN 9350250160. 

See also[edit]

  • Colorimetry.
  • Nephlometry