BenchMark Performance Audit>Water Supply Series - Inorganic
WS4000 - Nutrients
 Cat. #PricePT FormPackagingInstructionsMSDS
WS4000$40.00Concentrated40 ml Clear Glass Vial-
Analytes
Sample AnalytesUnitsNELAC Range
Nitrate as N
millig/L3 - 10
Orthophosphate as P
millig/L0.5 - 5.5
Sample AnalytesUnitsNELAC Range
Nitrate + Nitrite as Nmg/L3 - 10
 
Analytical Methods Covered
Nitrate Nitrogen - BrucineNitrate Nitrogen by Automated Hydrazine Reduction Method
Nitrate Nitrogen - BrucineNitrate by Automated Hydrazine Reduction
Nitrate/Nitrite Nitrogen - Automated, HydrazineNitrate by Automated Hydrazine Reduction
Nitrate/Nitrite Nitrogen - Automated, HydrazinePhosphorus by Sample Preparation
Nitrate/Nitrite Nitrogen - Automated, CadmiumPhosphorus by Persulfate Digestion Method
Nitrate/Nitrite Nitrogen - Automated, CadmiumPhosphorus by Persulfate Digestion Method
Nitrate/Nitrite Nitrogen - Automated, CadmiumPhosphorus by Sample Preparation
Nitrate/Nitrite Nitrogen - Spec., Cadmium ReductionPhosphorus by Ascorbic Acid Method
Nitrate/Nitrite Nitrogen - Spec., Cadmium ReductionPhosphorus by Ascorbic Acid Method
Nitrate/Nitrite Nitrogen by Gas Segmented CF/CAPhosphorus by Ascorbic Acid Method
Nitrite Nitrogen - SpectrophotometricPhosphorus by Ascorbic Acid Method
Nitrite Nitrogen - SpectrophotometricPhosphorus by Automated Ascorbic Acid Reduction
Phosphorous - Colorimetric, Automated persulfatePhosphorus by Automated Ascorbic Acid Reduction
Phosphorous - Colorimetric, Automated persulfatePhosphorus by Automated Ascorbic Acid Reduction Method
Phosphorous - Colorimetric, Automated persulfatePhosphorus by Automated Ascorbic Acid Reduction Method
Phosphorous - Colorimetric, single reagentOrtophosphate by Flow Injection Analysis
Phosphorous - Colorimetric, single reagentNitrate as Nitrogen by Automated Cadmium Reduction Method (Calculated)
Phosphorous - Colorimetric, two reagent.Nitrate as Nitrogen by Manual Cadmium Reduction Method (Calculated)
Phosphorous - Colorimetric, two reagent.Phosphorus by Stannous Chloride Method
Phosphorous - Colorimetric, automated block.Determination of Inorganic Anions by Ion Chromatography
Phosphorous - Colorimetric, automated block.Determination of Inorganic Anions by Ion Chromatography
Orthophosphate by Automated colorimetricDetermination of Inorganic Anions in Drinking Water by Ion Chromatography
Nitrate/Nitrite Nitrogen in Water and Biosolids by Automated PhotometryDetermination of Inorganic Anions in Drinking Water by Ion Chromatography
Nitrate/Nitrite Nitrogen in Water and Biosolids by Manual ColorimetryDetermination of Inorganic Anions by Ion Chromatography
Nitrate/Nitrite Nitrogen - Automated, HydrazineDetermination of Inorganic Anions in Drinking Water by Ion Chromatography
Nitrate/Nitrite Nitrogen - Automated, CadmiumOrthophosphate by PhosVer3 Ascorbic Acid Method
Phosphorous - Colorimetric, Automated persulfateNitrate Nitrogen by Selective Electrode
Nitrite by Colorimetric MethodNitrate Nitrogen by Selective Electrode
Nitrate by Cadmium ReductionNitrate Nitrogen by Selective Electrode
Nitrate Nitrogen by Automated Cadmium ReductionNitrate by Dimethylphenol w/ TNTplus 836
Nitrate Nitrogen by Automated Hydrazine Reduction MethodNitrate by Dimethylphenol Method w/ TNTplus 835/836
Phosphorus by Persulfate Digestion MethodTotal Phosphorus by Manual Digestion and Flow Injection Analysis
Phosphorus by Ascorbic Acid MethodTotal Phosphorus by Manual Digestion and Flow Injection Analysis
Phosphorus by Automated Ascorbic Acid MethodTotal Phosphorus by Manual Digestion and Flow Injection Analysis
Nitrite by Colorimetric MethodTotal Phosphorus by Manual Digestion and Flow Injection Analysis
Nitrite by Colorimetric MethodICP - metals
Nitrite by Colorimetric MethodICP - metals
Nitrite by Colorimetric MethodICP - metals
Nitrate Nitrogen by Selective ElectrodeICP - metals
Nitrate Nitrogen by Selective ElectrodeICP - metals
Nitrate Nitrogen by Selective ElectrodeInductively Couples Plasma Atomic Emission Spectrometric Method for Trace Element Analysis of Water and Wastes
Nitrate Nitrogen by Selective ElectrodeICP - metals
Nitrate Nitrogen by Selective ElectrodeICP - metals
Nitrate by Cadmium ReductionPhosphorus by Ascorbic Acid Method
Nitrate by Cadmium ReductionPhosphorus by Ascorbic Acid Method
Nitrate by Cadmium ReductionPhosphorus by Ascorbic Acid Method
Nitrate Nitrogen by Cadmium Reduction Method (Calculated)Nitrite by Colorimetric Method
Nitrate Nitrogen by Cadmium Reduction Method (Calculated)Nitrite by Colorimetric Method
Nitrate Nitrogen by Cadmium Reduction Method (Calculated)Nitrite by Colorimetric Method
Nitrate by Nitrate (Calculated)Ammonia Nitrogen by Titration
Nitrate by Nitrate (Calculated)Nitrogen
Total Nitrogen (Calculated)Nitrate Nitrogen by Automated Cadmium Reduction
Nitrate by Cadmium Reduction Method .Nitrate Nitrogen by Automated Cadmium Reduction
Nitrate Nitrogen by Automated Cadmium ReductionNitrate Nitrogen by Automated Cadmium Reduction
Nitrate Nitrogen by Automated Cadmium ReductionOrthophosphate by Ascorbic Acid Method w/ TNTplus 843, 844, 845
Nitrate Nitrogen by Automated Cadmium ReductionNitrate Nitrogen by Automated Cadmium Reduction (Calc)
Calculation of (NO3-NO2) minus NO2Phosphorus by Persulfate Digestion Method
Nitrate Nitrogen by Automated Cadmium Reduction Method (Calculated)Phosphorus by Persulfate Digestion Method
Nitrate Nitrogen by Automated Cadmium Reduction Method (Calculated)Nitrate by Dimethylphenol Methodswith TNTplus 835/836
Nitrate Nitrogen by Automated Cadmium Reduction Method (Calculated)Nitrate (calculated)
Nitrate by Nitrate (Calculated)Nitrate Nitrogen by Cadmium Reduction Method
Nitrate by Nitrate (Calculated)Nitrate by Dimethylphenol Method with TNTplus 835/836
Nitrate Nitrogen by Automated Cadmium Reduction(N03 + N02 SM 4500-N03¯F-2011) – (N02 SM 4500-N03¯F2011)
Nitrate Nitrogen by Automated Hydrazine Reduction Method 
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