GFS Chemicals, Standards
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TEST Turbidity (AQ4500) EPA mode 1 NTU +/- 0.05 Turbidity (AQ4500) ISO Neph. mode Turbidity (AQ4500) IR Ratio mode Thermo Electron AQ4500 serial number Instrument calibration date Formazi
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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® 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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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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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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Aluminum 1000 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, 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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AMCO Clear® Turbidity Standard, 800 NTU
GFS ChemicalsTEST Turbidity 800 NTU +/- 8 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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TEST Turbidity (on LaMotte 2020) 100 NTU +/-1 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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Precious Metals Multielement Standard
GFS Chemicals100 ppm each element in 20% Hydrochloric Acid. Gold 100 +/- 1 ug/mL Iridium 100 +/- 1 ug/mL Osmium 100 +/- 1 ug/mL Palladium 100 +/- 1 ug/mL Platinum 100 +/- 1 ug/mL Rhenium 100 +/- 1 ug/
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In 0.001 N perchloric acid. For testing the absorbance scale and linearity of UV Spectrophotometers. K2Cr2O7
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AMCO Clear® Calibration Kit, for Hach 2100P Instruments
GFS ChemicalsKit contains 0.0, 20, 100 and 800 NTU standards required to calibrate the Hach 2100P instrument. The deluxe kit also contains sealed secondary standards of each value.
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TEST Turbidity (on Hach 43900/XR) 180 NTU +/- 2 Absorbance at 455nm (10mm 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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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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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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Fluoride, 100 ppm Standard Solution
GFS ChemicalsThe GFS Chemicals fluoride comes in a colorless liquid form in an odorless fragrance. The fluoride 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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Iron, 1 ppm, Standard Solution
GFS ChemicalsNFPA#: 1-0-1 Specific Gravity: 1.010 AA, colorimetric or volumetric standard
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Test Turbidity (on Hach 43900/XR) 1800 NTU +/- 18 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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Refractory Elements II Multielement Standard
GFS Chemicals100 ppm each element in 5% hydrochloric acid with a trace of HF. Aluminum 100 +/- 1 ug/mL Boron 100 +/- 1 ug/mL Chromium 100 +/- 1 ug/mL Hafnium 100 +/- 1 ug/mL Molybdenum 100 +/- 1 ug/mL
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TEST Turbidity (on HF Micro 1000) 10,000 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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AMCO Clear® Turbidity Standard, 40 NTU
GFS ChemicalsTurbidity 40 NTU +/- 0.4 Absorbance at 455nm (50mm 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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Thallium 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 (on Hach 18900) 1.8 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Basline Material
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TEST Turbidity (In-Situ Troll) 100 NTU +/- 1 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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DISODIUM EDTA, Primary Standard
GFS ChemicalsComplexing agent used to determine many metal ions by titration
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In-Spec® Nano Kit, Photometric Accuracy Verification
GFS ChemicalsStandard kit for the verification of photometric accuracy at 260, 280 and 320 nm in a 1 mm pathlength spectrophotometer.
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Kit contains 0.0, 20, 100 and 800 NTU standards required to calibrate the Hach 2100Q White Light instrument. The deluxe kit also contains sealed secondary standards of each value.
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Kit contains 1.8, 18 and 180 NTU standards required to calibrate the Hach Ratio/XR and Ratio 2000 instruments in the lower ranges. The deluxe kit also contains sealed secondary standards of each value.
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Copper 10,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 10,000 +/- 100 ug/ml Matrix: 5% Nitric acid NIST Traceable
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Copper 1,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable