nephelometer

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Related to nephelometer: nephelometry

nephelometer

[nef″ĕ-lom´ĕ-ter]

an instrument for measuring the concentration of substances in suspension by the amount of light that is scattered by the suspended particles.

neph·e·lom·e·ter

(nef'ĕ-lom'ĕ-tĕr),

An instrument used in nephelometry.

[G. nephelē, cloud, + metron, measure]

nephelometer

/neph·e·lom·e·ter/ (nef″il-om´it-er) an instrument for measuring the concentration of substances in suspension by means of light scattering by the suspended particles.

nephelometer

[nef′əlom′ətər]

Etymology: Gk, nephele, cloud, metron, measure

a photometric apparatus used to determine the concentration of solids suspended in a liquid or a gas, such as the number of bacteria in a specimen. See also nephelometry.

nephelometer

an instrument for measuring the concentration of substances in suspension by the amount of light that is scattered by the suspended particles.

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References in periodicals archive ?

Nephelometers detect particles, then measure light scattering by the particle, and using assumptions about optical properties and density, assign a size to each particle to produce a mass concentration estimate--not a mass measurement.

NAAQS [PM.sub.2.5] or ISO 14644 As an IAQ Metric?

Franklin, MA) nephelometers -- which continuously measured PM[sub.

Agricultural burning monitored for air pollutants in Imperial County; exposure reduction recommendations developed

Sternberg JC, A rate nephelometer for measuring specific proteins by immunoprecipitation reactions, Clin.

A preliminary experience with placental umbilical cord whole blood transfusion as an emergency alternative of adult whole blood transfusion

Also known as a turbidimeter, the nephelometer is an opto-electronic instrument that determines the turbidity of a liquid, or the quantity of suspended particles in a liquid.

Market profile: nephelometers

Because blood contamination during perilymph sampling cannot be completely avoided, total IgG and albumin were measured with a nephelometer.

Persistent measles virus infection as a possible cause of otosclerosis: State of the art

Equal to or less than 5 nephelometer turbidity units (NTUs),

Saving Gallons

According to Jones, ISP's Wayne, NJ-based brewmaster can also do on-site analysis at any client brewery, using a piece of equipment called a nephelometer.

Clarity of purpose: ISP now has a world network of brewmaster-manned labs to assist brewers with stabilization issues

Ragent's nephelometer also noted something like a light fog lower down where the N[H.

Into the giant

Biochemical study: Blood samples were obtained under fasting conditions, and transferrin, prealbumin, fibronectin and retinol-binding protein were measured with a nephelometer 100 (Behringwerke AG Diagnostica, Marburg, Germany).

Zinc, biochemical markers of nutrition, and type I osteoporosis

furnishes a portable kit that uses a portable, hand-held and battery-powered spectrophotometer that converts to a nephelometer for turbidity measurement and a DPD (N, N-diethyl-p-phenylene-diamine) chlorine residual analyzer.

Laboratory equipment

Even in 1937 in Davis and Blake's classic "Chemistry and Technology of Rubber" the only analytical instruments mentioned were a pH meter, nephelometer and a specific gravity balance.

Instrumentation concerns similar to those of a century ago

Lease of nephelometer and acquisition of necessary reagents to respond to the activity of serum protein quantification.