GFS Chemicals, 500 mL, Chemicals
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Conductivity Standard, 50,000 uS/cm
GFS ChemicalsMade from potassium chloride. Conductivity 50,000 +/- 500 uS/cm
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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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Veritas® Hydrogen Peroxide, 30%, Low Trace Metals
GFS ChemicalsH2O2 CAS#: 7722-84-1 F.W.: 34.02 Trace metal grade. Low PPB level impurities.
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Isobutyl Alcohol (ACS)
GFS Chemicals(CH3)2CHCH2OH CAS#: 78-83-1 F.W.: 74.12 NFPA#: 1-3-0 Descriptions: 2-Methyl-1-propanol
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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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Methyl Ethyl Ketone (ACS)
GFS ChemicalsCH3COC2H5 CAS#: 78-93-3 F.W.: 72.11 NFPA#: 1-3-0 Descriptions: 2-Butanone
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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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Sulfuric Acid, ACS Reagent
GFS ChemicalsSulfuric acid or sulphuric acid, also known as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen, and hydrogen, with the molecular formula H2SO4. It is a colorless and oily liquid that is miscible with water at all concentrations. It is soluble in water with the release of…
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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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Buffer Solution
GFS ChemicalsThe pH of a sample is an indication of its acidity or alkalinity and pH determination is one of the most commonly conducted laboratory measurements. The term pH is defined as the negative logarithm (base 10) of the Hydrogen ion concentration (or, more accurately, Activity) expressed in molarity.…
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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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N,N-Dimethylformamide (ACS)
GFS ChemicalsHCON(CH3)2 CAS#: 68-12-2 F.W.: 73.09 NFPA#: 3-2-1 Specific Gravity: 0.950
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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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Electrode Storage Solution, Acidic
GFS ChemicalsContains potassium hydrogen phthalate and potassium chloride and has a pH near 4.
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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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Nitric Acid Redistilled
GFS ChemicalsHNO3 F.W.: 63.01 NFPA#: 3-0-3 Specific Gravity: 1.408 DOT: 8/5.1/II Descriptions: Trace metal grade. Low ppb metal impurities. Note:Results reported at time of bottling in glass. Thelevels of Al, B, Ca, K, Mg, Mn, Na, and Si will increase over time.
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For coulometric analysis of oils and petroleum products. Anolyte for coulometric titrators.
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Buffer Solution, pH 7.00 (Color Coded Yellow)
GFS ChemicalspH (@ 25°C) 7.00 +/- 0.02 NIST Traceable
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Sulfuric Acid, Veritas Redistilled
GFS ChemicalsTrace metal grade. Low ppb metal impurities. Note: Results reported at time of bottling in glass. The levels of Al, B, Ca, K, Mg, Mn, Na, and Si will increase over time. Sulfuric acid or sulphuric acid, also known as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen, and…
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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 (