| D009391 |
Nephelometry and Turbidimetry |
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. |
Turbidimetry,Nephelometry,Turbidimetry and Nephelometry |
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| D009584 |
Nitrogen |
An element with the atomic symbol N, atomic number 7, and atomic weight [14.00643; 14.00728]. Nitrogen exists as a diatomic gas and makes up about 78% of the earth's atmosphere by volume. It is a constituent of proteins and nucleic acids and found in all living cells. |
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| D010865 |
Pilot Projects |
Small-scale tests of methods and procedures to be used on a larger scale if the pilot study demonstrates that these methods and procedures can work. |
Pilot Studies,Pilot Study,Pilot Project,Project, Pilot,Projects, Pilot,Studies, Pilot,Study, Pilot |
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| D002244 |
Carbon |
A nonmetallic element with atomic symbol C, atomic number 6, and atomic weight [12.0096; 12.0116]. It may occur as several different allotropes including DIAMOND; CHARCOAL; and GRAPHITE; and as SOOT from incompletely burned fuel. |
Carbon-12,Vitreous Carbon,Carbon 12,Carbon, Vitreous |
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| D004203 |
Disinfection |
Rendering pathogens harmless through the use of heat, antiseptics, antibacterial agents, etc. |
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| D000644 |
Quaternary Ammonium Compounds |
Derivatives of ammonium compounds, NH4+ Y-, in which all four of the hydrogens bonded to nitrogen have been replaced with hydrocarbyl groups. These are distinguished from IMINES which are RN |
Quaternary Ammonium Compound,Ammonium Compound, Quaternary,Ammonium Compounds, Quaternary,Compound, Quaternary Ammonium |
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| D013050 |
Spectrometry, Fluorescence |
Measurement of the intensity and quality of fluorescence. |
Fluorescence Spectrophotometry,Fluorescence Spectroscopy,Spectrofluorometry,Fluorescence Spectrometry,Spectrophotometry, Fluorescence,Spectroscopy, Fluorescence |
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| D054879 |
Halogenation |
Covalent attachment of HALOGENS to other compounds. |
Bromination,Chlorination,Fluorination,Iodination,Iodation |
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| D060766 |
Drinking Water |
Water that is intended to be ingested. |
Bottled Water,Potable Water,Water, Bottled,Water, Drinking,Water, Potable |
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| D018508 |
Water Purification |
Any of several processes in which undesirable impurities in water are removed or neutralized; for example, chlorination, filtration, primary treatment, ion exchange, and distillation. It includes treatment of WASTEWATER to provide potable and hygienic water in a controlled or closed environment as well as provision of public drinking water supplies. |
Waste Water Purification,Waste Water Treatment,Wastewater Purification,Wastewater Treatment,Water Treatment,Purification, Waste Water,Purification, Wastewater,Purification, Water,Treatment, Waste Water,Treatment, Wastewater,Treatment, Water,Waste Water Purifications,Waste Water Treatments,Water Purification, Waste |
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