Thermo Scientific Orion 2110XP Ammonia Analyzer
Thermo Scientific Orion 2110XP Ammonia Analyzer
Thermo Scientific Orion 2110XP Ammonia Analyzer
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CalibrationCalibration At CustomConcentrationsUsing DKAThe <strong>Thermo</strong> <strong>Scientific</strong> <strong>Orion</strong> <strong>2110XP</strong> ammonia analyzer software hasdefault values to accommodate 0.50 mL additions of standard 1 andstandard 2 and flow cell volume of approximately 95 mL.The operator has the option to use alternate standards by changing, in thesetup mode, the flow cell volume, the standard 1 and standard 2 values andthe volumes to be used.Let V C = Flow cell volumeC 1 = Standard 1 concentrationC 2 = Standard 2 concentrationV 1 = Volume of standard 1 addedV 2 = Volume of standard 2 addedDefault: 95.0 mLDefault: 191 ppmDefault: 1920 ppmDefault: 0.50 mLDefault: 0.50 mLdC 1 = Concentration change due to the first additiondC 2 = Concentration change due to the second additiondC 1 = C 1 x V 1 / (V 1 + V C )dC 2 = C 2 x V 2 / (V 1 + V 2 + V C )For Maximum Accuracy• dC 1 should be at least twice the normal concentration in the sample• dC 2 should be about ten times of dC 1• dC 1 should not be less than 10 ppb<strong>Thermo</strong> <strong>Scientific</strong> <strong>Orion</strong> <strong>2110XP</strong> <strong>Ammonia</strong> <strong>Analyzer</strong> User GuideIV-13
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