Improved Optical Probe for Measuring Phytoplankton Suspension Concentrations Based on Optical Fluoresensce and Absorption

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Abstract

This paper discusses the results of improved optical probe that works according to optical fluorescence and absorption phenomena for measuring the phytoplankton suspension concentrations. Measurements are made on the Scenedesmus sp. culture. The laboratory test has shown that range of concentration from 104 up to around 1 x 106 cells/mL; fluorescence intensity at λ = 685 nm; and logarithmic of transmission intensity at λ = 405 nm are proportional to the cell concentration linear with proportional constant γ = 4 × 10-5 and β = –2 × 10-7 mL/cell respectively.

Original languageEnglish
JournalMakara Journal of Technology
DOIs
Publication statusPublished - 2 Nov 2012

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