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Descriptor in English: Nephelometry and Turbidimetry
Descriptor in Spanish: Nefelometría y Turbidimetría
Descriptor in Portuguese: Nefelometria e Turbidimetria
Descriptor in French: Néphélométrie et turbidimétrie
Entry term(s): Nephelometry
Turbidimetry
Turbidimetry and Nephelometry
Tree number(s): E05.196.712.650
SP4.016.172.968.359
Scope note: Chemical analysis based on the phenomenon whereby light, passing through a medium with dispersed particles of a different refractive index from that of the medium, is attenuated in intensity by scattering. In turbidimetry, the intensity of light transmitted through the medium, the unscattered light, is measured. In nephelometry, the intensity of the scattered light is measured, usually, but not necessarily, at right angles to the incident light beam.
Allowable Qualifiers: CL classification
EC economics
ES ethics
HI history
IS instrumentation
MT methods
SN statistics & numerical data
ST standards
TD trends
VE veterinary
Online Note: use NEPHELOMETRY AND TURBIDIMETRY to search TURBIDIMETRY 1975-80; use DENSITOMETRY 1969-74
History Note: 81; was TURBIDIMETRY see under PHOTOMETRY 1975-80; was TURBIDIMETRY see under DENSITOMETRY 1969-74
DeCS UI: 9584
Descriptor UI: D009391
Date Established: 1981/01/01
Date of Entry: 1999/01/01
Revision Date: 2002/07/03
Nephelometry and Turbidimetry - Preferred
Concept UI M0014623
Scope note Chemical analysis based on the phenomenon whereby light, passing through a medium with dispersed particles of a different refractive index from that of the medium, is attenuated in intensity by scattering. In turbidimetry, the intensity of light transmitted through the medium, the unscattered light, is measured. In nephelometry, the intensity of the scattered light is measured, usually, but not necessarily, at right angles to the incident light beam.
Preferred term Nephelometry and Turbidimetry
Entry term(s) Turbidimetry and Nephelometry
Turbidimetry - Narrower
Concept UI M0014624
Preferred term Turbidimetry
Nephelometry - Narrower
Concept UI M0014622
Preferred term Nephelometry



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