Dissolved oxygen definition

Dissolved oxygen means the concentration of oxygen in water as determined either by the Winkler (iodometric) method and its modifications or by the membrane electrode method;
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Dissolved oxygen means a measure of the amount of free oxygen in
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Dissolved oxygen means the amount of oxygen dissolved in water and is commonly expressed as a concentration in terms of milligrams per liter.
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Examples of Dissolved oxygen in a sentence

  • Cu. M/day or M3/day Cubic meters per day DO Dissolved oxygen kg/dayKilograms per daylbs/dayPounds per daymg/LMilligram(s) per litermL/LMilliliters per literMGDMillion gallons per dayNitrogen Total NTotal nitrogenNH3-NAmmonia nitrogen as nitrogenNO3-NNitrate as nitrogenNO2-NNitrite as nitrogenNO3-NO2Combined nitrate and nitrite nitrogen as nitrogenTKNTotal Kjeldahl nitrogen as nitrogenOil & GreaseFreon extractable materialPCBPolychlorinated biphenylSurfactantSurface-active agentTemp.

  • Dissolved oxygen, pH and temperature are also measured at 24 and 48 hour intervals in all dilutions.

  • Dissolved oxygen concentration, pH, temperature, and the concentration of test substance in test chambers are measured at speci- fied intervals.

  • Dissolved oxygen concentrations shall be maintained at a daily average of not less than 5.0 mg/l with an instantaneous minimum of not less than 4.0 mg/l.

  • Dissolved oxygen (DO) is the measure of the amount of DO in water.


More Definitions of Dissolved oxygen

Dissolved oxygen means gaseous oxygen that is dissolved in the water.
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Dissolved oxygen or "DO" means the concentration of oxygen dissolved in effluent, expressed in mg/l or as percent saturation, where saturation is the maximum amount of oxygen that can theoretically be dissolved in water at a given altitude and temperature.
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Dissolved oxygen means the amount of oxygen dissolved in water at any given time, depending upon the water temperature, the partial pressure of oxygen in the atmosphere in contact with the water, the concentration of dissolved organic substances in the water, and the physical aeration of the water.
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Dissolved oxygen means the amount of oxygen dissolved in water expressed as a concentration in milligrams per liter.
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Dissolved oxygen. Effluent concentrations of dissolved oxygen shall, at a minimum, contain: i. 4.0 mg/L as a daily minimum;
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Dissolved oxygen means a measure of the free oxygen in water or effluent.
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Dissolved oxygen means dissolved oxygen.
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