GFS Chemicals
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Magnesium Perchlorate, Hexahydrate, Reagent
GFS ChemicalsMagnesium perchlorate is a powerful oxidizing agent, with the formula Mg(ClO4)2. It is also a superior drying agent for gas analysis. Magnesium perchlorate decomposes at 250 °C. The heat of formation is -568.90 kJ mol¹. Manufacture of this product on a semi-industrial scale was first performed by…
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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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TEST Turbidity (on Hach 2100 N/AN meter) 4000 NTU 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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TEST Turbidity (on Lamotte 2020) 1.0 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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Nitric Acid, Veritas Double Distilled
GFS ChemicalsNitric Acid HNO3, is a highly corrosive mineral acid. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water. Most commercially available nitric acid has a concentration of 68% in water and is mostly used to produce…
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Veritas® Ultimate Acetonitrile, Gradient/LC-MS Grade
GFS ChemicalsCH3CN CAS#: 75-05-8 F.W.: 41.05 Suitable for LC-MS
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Bio-Refined™ Sodium Phosphate, Monobasic, Monohydrate
GFS ChemicalsNaH2PO4•H2O CAS#: 10049-21-5 F.W.: 137.99
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Potassium Permanganate, Solution, 0.1 N
GFS ChemicalsKMnO4 CAS#: 7722-64-7 F.W.: 158.04 NFPA#: 2-0-1 Oxidimetric standard. Frequent restandardization recommended. 0.02 mol/L
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Ammonium Molybdate Solution, 4%
GFS Chemicals(NH4)6Mo7O24•4H2O CAS#: 12054-85-2 F.W.: 1235.86 For Phosphate by Ascorbic Acid (APHA) method.
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In-Spec® Visible Standard 0.1
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 0.072.
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Carbon Disulfide (ACS)
GFS ChemicalsCS2 CAS#: 75-15-0 F.W.: 76.13 NFPA#: 3-3-0 Specific Gravity: 1.261
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pH 4, 7, 10 Buffer Kit
GFS Chemicals6 x 500mL kit contains 2 x 500 ml of each pH 4 red (GFS 1634), pH 7 yellow (GFS 1639) and pH 10 blue (GFS 1645). The 3 x 4L kit contains 1 x 4L of each of the above items.
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Toluene, HPLC
GFS ChemicalsC6H5CH3 CAS Number: 108-88-3 Specific Gravity: 0.867 F.W.: 92.14 DOT: 3/II NFPA#: 2-3-0 Also meets ACS specifications
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Ammonium Formate Reagent
GFS ChemicalsAmmonium Formate, CAS 540-69-2, Item 599. Ammonium Formate is an ammonium salt from formic acid with a chemical formula of HCOONH4 or CH5NO2. Ammonium Formate appears as white monoclinic crystals and has a slight ammonia odor. The molar mass of Ammonium Formate is 63.056 g/mol-1 and has a density…
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Chloramine T (ACS)
GFS ChemicalsCH3C6H4SO2NClNa•3H2O CAS#: 7080-50-4 F.W.: 281.70 NFPA#: 3-1-2 Descriptions: (N-chloro-p-toluenesulfonamide, sodium salt)
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TEST Turbidity (on Analite probe) 100 NTU/FNU Turbidity (on ISO 7027 Instrument) 100 FNU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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Acetone Reagent (ACS)
GFS Chemicals(CH3)2CO CAS Number: 67-64-1 Specific Gravity: 0.791 F.W.: 58.08 DOT: 3/II NFPA#: 1-3-2
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Palladium Nitrate, Solution
GFS ChemicalsPd(NO3)2•2H2O CAS#: 10102-05-3 F.W.: 266.46 Matrix modifier for graphite furnace AA. Nominally 1% Pd solution in about 5% nitric acid.
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Sulfuric Acid, Solution, 0.1 N
GFS ChemicalsH2SO4 CAS#: 7664-93-9 F.W.: 98.09 NFPA#: 2-0-1 Specific Gravity: 1.010 0.05 mol/L
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AMCO Clear® Calibration Kit, for Lamotte 2020we
GFS ChemicalsKit contains 1.0 and 10 NTU standards required to calibrate the Lamotte 2020we instrument. The deluxe kit also contains sealed secondary standards of each value.