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Proceedings Paper

Optical Properties Of Turbidity Standards
Author(s): J. Ronald; V. Zaneveld; Richard W. Spinrad; Robert Bartz
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Paper Abstract

Measurements of light scattering and light attenuation were made for suspensions of formazin and diatomaceous earth. Light scattering was measured for light of wavelength 632.8 nm at angles from 0.1° to 1.0° and for light of wavelengths 400, 500, 550, 600, 650, and 700 nm at 45°. Light attenuation was measured over a 25 cm pathlength for light of 660 nm. These measurements were made for suspensions which varied from 0 to 40 Jackson Turbidity Units of formazin and 0 to 40 mg/1 of diatomaceous earth. The results indicate the necessity for multiple optical measurements for determinations of turbidity of water. In addition the tables and curves presented may be used in the calibration of light scattering meters and transmissometers which are used for turbidity studies.

Paper Details

Date Published: 26 March 1980
PDF: 11 pages
Proc. SPIE 0208, Ocean Optics VI, (26 March 1980); doi: 10.1117/12.958272
Show Author Affiliations
J. Ronald, Oregon State University (United States)
V. Zaneveld, Oregon State University (United States)
Richard W. Spinrad, Oregon State University (United States)
Robert Bartz, Oregon State University (United States)

Published in SPIE Proceedings Vol. 0208:
Ocean Optics VI
Seibert Quimby Duntley, Editor(s)

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