GFS Chemicals, 500 mL, Standards
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AMCO Clear® Turbidity Standard, 600 NTU
GFS ChemicalsTEST Turbidity 600 NTU +/- 6 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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TEST Turbidity (on Hach 2100 N/AN meter) 4000 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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Yttrium 1,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric Acid NIST Traceable
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Thulium 1,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable
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Nitrogen 1,000 ppm Ion Chromatography Standard
GFS Chemicals1000 ppm nitrogen from ammonium chloride, 1220 ppm ammonia. Concentration (as N) 1,000 +/- 10 ug/ml Matrix: Ammonium chloride in water NIST Traceable
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For Endress and Hauser, Reagecon Diagnostic and Hach 2100 AN IS turbidimeters. TEST Turbidity (on Hach 2100 AN/IS) 4000 NTU Absorbance at 455 nm (10mm pathlength) 3.26-3.50 Lot Number of Baseline Material
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In-Spec® UV Standard #30
GFS ChemicalsNIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.754.
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Silica, 1,000 ppm, Ion Chromatography Standard Solution
GFS ChemicalsConcentration (as SiO2) 1,000 +/- 10 ug/ml Matrix: Na2SiO3, water
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AMCO Clear® Turbidity Standard, 6.0 NTU
GFS ChemicalsTEST Turbidity 6.0 NTU +/- 0.06 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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Chloride 1000 ppm Standard Solution
GFS ChemicalsVolumetric, colorimetric or turbidimetric standard.
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Total Organic Carbon Standard, 1000 ppm
GFS ChemicalsKHP in dilute phosphoric acid Total organic carbon 1000 +/- 10 ppm Matrix: Phosphoric acid <1%
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AMCO Clear® Turbidity Standard, 0.1 NTU
GFS ChemicalsFor all EPA 180.1 turbidimeters. TEST Turbidity 0.1 NTU +/- 0.02 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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TEST Turbidity (AQ4500) EPA mode Turbidity (AQ4500) ISO Neph. mode Turbidity (AQ4500) IR Ratio mode Thermo Electron AQ4500 serial number Instrument calibration date Formazin Concentrate (
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TEST Turbidity (LaMotte 2020) 10 NTU +/-0.1 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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Mercury 1,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable
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In-Spec® UV Standard #20
GFS ChemicalsNIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.508.
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AMCO Clear® Turbidity Standard, 0.5 EBC
GFS ChemicalsTEST Turbidity (Haze) 0.5 EBC +/- 0.05 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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Chromium 10,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 10,000 +/- 100 ug/ml Matrix: <5% HCl NIST Traceable
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Concentration (as chlorate) 1,000 +/- 10 ug/mL Matrix: sodium chlorate, water
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AMCO Clear® Turbidity Standard, 50 NTU
GFS ChemicalsTEST Turbidity 50 NTU +/- 0.5 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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Cyanide, 1000 ppm Ion Standard
GFS ChemicalsConcentration: 1000 +/- 10 ug/mL Matrix: Potassium cyanide in 0.1% sodium hydroxide
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Copper 2 ppm Standard Solution
GFS ChemicalsAA, colorimetric or volumetric standard. Concentration 2 ug/ml Matrix: <5% HNO3 NIST Traceable
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Yttrium 10,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 10,000 +/- 100 ug/ml Matrix: 5% Nitric Acid NIST Traceable
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Copper 5 ppm Standard Solution
GFS ChemicalsAA, colorimetric or volumetric standard Concentration 5 ug/ml Matrix: <5% HNO3 NIST Traceable
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AMCO Clear® Turbidity Standard, 400 NTU
GFS ChemicalsTEST Turbidity 400 NTU +/- 4 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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In-Spec® UV Standard #3
GFS ChemicalsNIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.079.
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In-Spec® UV Standard #8
GFS ChemicalsNIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.253.
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Iron 1,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable
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TEST Turbidity (AQ4500) EPA mode Turbidity (AQ4500) ISO Neph. mode Turbidity (AQ4500) IR Ratio mode Thermo Electron AQ4500 serial number Instrument calibration date Formazin Concentrate (
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TEST Turbidity (OBS sensor inst) 4000 TU +/- 40 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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Iridium 1,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 1,000 +/- 10 ug/ml Matrix: 20% Hydrochloric acid NIST Traceable