GFS Chemicals, Chemicals
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Silica Gel Beads, 6-14 Mesh, Grade 40
GFS ChemicalsSiO2 CAS#: 7631-86-9 F.W.: 60.09 Desiccant. Also meets Mil-D 3716B Type II Grade H Specifications.
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WaterMark® KARL FISCHER WATER STANDARD, 5.0 mg/ml
GFS ChemicalsFor volumetric or coulometric use. For standardization of KF titrants or titrators.
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POTASSIUM DICHROMATE , CERTIFIED P.S.
GFS ChemicalsStandardization of Ferrous Sulfate, Sodium Thiosulfate
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AMCO Clear® Turbidity Standard, 20 NTU
GFS ChemicalsTurbidity 20 NTU +/- 0.2 Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material
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Cobalt Acetate, Tetrahydrate (ACS)
GFS ChemicalsCo(C2H3O2)2•4H2O CAS#: 6147-53-1 F.W.: 249.09 NFPA#: 1-0-0
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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® 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.
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Ethyl Ether (ACS)
GFS Chemicals(C2H5)2O CAS#: 60-29-7 F.W.: 74.12 NFPA#: 2-4-2 Specific Gravity: 0.710 Descriptions: Stabilized with ethanol 2%, water 0.5% and BHT 0.0001%
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1-amino-2-naphthol-4-sulfonic Acid, ACS Reagent
GFS ChemicalsThe GFS Chemicals 1-amino-2-naphthol-4-sulfonic acid comes in a light yellow liquid form with an unpleasant odor. The 1-amino-2-naphthol-4-sulfonic acid is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities:…
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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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WaterMark® KARL FISCHER WATER STANDARD, 10.0 mg/g
GFS ChemicalsFor standardization of volumetric titrants.
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ACETONITRILE HPLC
GFS ChemicalsCAS#: 75-05-8 F.W.: 41.05 NFPA#: 2-3-0 Specific Gravity: 0.780 DOT: 3/II Also meets ACS Specifications
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Potassium Hydroxide Solution, 0.05 N in Methanol
GFS ChemicalsKOH CAS#: 1310-58-3 F.W.: 56.11 0.05 mol/L
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AMCO Clear® Turbidity Standard, 1.0 EBC
GFS ChemicalsTEST Turbidity (Haze) 1.0 EBC +/- 0.05 Absorbance at 455nm (100mm pathlength) 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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4-Methyl-2-Pentanone Reagent (ACS)
GFS Chemicals(CH3)2CHCH2COCH3 CAS#: 108-10-1 F.W.: 100.16 NFPA#: 2-3-1 Descriptions: Methyl Isobutyl Ketone, MIBK
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Hydrogen Peroxide, 30% (ACS)
GFS ChemicalsH2O2 CAS#: 7722-84-1 F.W.: 34.02 Specific Gravity: 1.100 Stabilized with less than 1ppm of tin.
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Manganese Dioxide, 5 um, Activated
GFS ChemicalsMnO2 CAS#: 1313-13-9 F.W.: 86.94 For organic oxidations.