GFS Chemicals, 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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AMCO Clear® Turbidity Standard, 200 NTU
GFS ChemicalsTEST Turbidity 200 NTU +/- 2 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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AMCO Clear® Turbidity Standard, 10 NTU for Horiba W-22
GFS ChemicalsTEST Turbidity (on Horiba W-22) 10 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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In-Spec® Purple Color Standard
GFS ChemicalsReference material for verification of UV-Visible spectrophotometers' photometric accuracy. Popular verification of requirements for BCA assay.
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Florisil, 60-100 Mesh, Standard
GFS ChemicalsThe GFS Chemicals florisil comes in a white solid form in an odorless fragrance. The florisil is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other Professional, Scientific and Technical Activities
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Kit contains 0.0 and 40 NTU standards required to calibrate Orbeco-Hellige instruments. The deluxe kit also contains sealed secondary standards of each value.
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TEST Turbidity (Hach 2100N/AN and IS meters) 0.1 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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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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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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Amco Clear® Calibration Kit, for HF Micro TPW Instrument
GFS ChemicalsKit contains 0.0, 10 and 1000 NTU standards required to calibrate the HF Micro TPW instrument. The deluxe kit also contains sealed secondary standards of each value.
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AMCO Clear® Turbidity Standard, 100 NTU for Horiba W-22
GFS ChemicalsTEST Turbidity (Horiba W-22) 100 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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Concentration (as chlorite) 1,000 +/- 10 ug/mL Matrix: sodium chlorite, water
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Kit contains 0.0, 20, 200, 1000 and 4000 NTU standards required to calibrate the Hach 2100N IS/AN IS instruments. The deluxe kit also contains sealed secondary standards of each value.
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In-Spec® Visible Standard 0.5
GFS ChemicalsNIST Traceable, non-toxic reference material for the visible spectrophotometer. Full visible scan reported with a typical absorbance at 600 nm in 10 mm pathlength being approximately 0.368.
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Nitrite, 1,000 ppm, Ion Chromatography Standard Solution
GFS ChemicalsConcentration (as nitrite) 1,000 +/- 10 ug/mL Matrix: sodium nitrite, water Refrigerate to maximize shelf life
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Apha 500 Color Standard Solution
GFS ChemicalsThe GFS Chemicals Apha 500 color standard solution comes in a amber liquid form in an odorless fragrance. The Apha 500 color standard solution is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other…
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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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Neodymium 1,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable
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AMCO Clear® Turbidity Standard, 25 EBC
GFS ChemicalsTEST Turbidity (Haze) 25 EBC +/-0.2 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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In-Spec® Visible Standard 4.0
GFS ChemicalsNIST Traceable, non-toxic reference material for the visible spectrophotometer. Full visible scan reported with a typical absorbance at 600 nm in 10 mm pathlength being approximately 2.917.
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AMCO Clear® Turbidity Standard, 0.8 NTU
GFS ChemicalsFor all EPA 180.1 turbidimeters. TEST Turbidity 0.8 NTU +/- 0.02 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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AMCO Clear® Turbidity Standard, 10 NTU
GFS Chemicals1. Turbidity 10 NTU +/- 0.1 2. Absorbance at 455nm (100mm pathlength) 3. Lot Number of Baseline Material
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TEST Turbidity (Hach 2100N/AN and IS meters) 20 NTU Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material
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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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Vanadium 10,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 10,000 +/- 100 ug/ml Matrix: 5% Nitric Acid NIST Traceable
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Amco Clear® Turbidity Standard, 100 NTU
GFS ChemicalsTest Turbidity 100 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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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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AMCO Clear® Linear Calibration Kit, 0.0/0.1/0.2 NTU
GFS ChemicalsKit contains 0.0, 0.1, 0.2 NTU primary standards to be used to calibrate and verify instrument's linearity in the 0.0 to 0.2 NTU range.