GFS Chemicals
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The GFS Chemicals sodium diphenylamine sulfonate comes in a brown liquid form in an odorless fragrance. The titrant is ideal for many purposes in professional, scientific and technical fields. Application: For Laboratory Reagent For Water Determination Using the Karl Fischer Method
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Nitric Acid, ACS Reagent
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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Nickel Chloride, Hexahydrate Purified
GFS ChemicalsNiCl2•6H2O CAS#: 7791-20-0 F.W.: 237.72 NFPA#: 3-0-0
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Mercury 1,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 1,000 +/- 10 ug/ml Matrix: 5% Nitric acid NIST Traceable
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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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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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Methyl tert-Butyl Ether, HPLC
GFS Chemicals(CH3)3COCH3 CAS#: 1634-04-4 F.W.: 88.15 MTBE. Also meets ACS Specifications.
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Sodium Bisulfate, Monohydrate
GFS ChemicalsNaHSO4•H2O CAS#: 10034-88-5 F.W.: 138.07 NFPA#:2-0-0 Sodium Hydrogen Sulfate
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For coulometric analysis. Anolyte for all coulometric titrators. Universal solution for certain coulometric titrators.
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Tetrabutylammonium Hydroxide, 40% Aqueous Solution
GFS Chemicals(C4H9)4NOH CAS#: 2052-49-5 F.W.: 259.48 Some solids may be present, which will redissolve upon heating to 40°C in a water bath.
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Kit contains 0.0 and 1.0 NTU standards required to calibrate the Hach 1720 C, D and E instruments in the low range. The gallon kit also contains a wash bottle and spigots for the bottles.
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Sodium Bisulfite (ACS)
GFS ChemicalsNaHSO3 CAS#: 7631-90-5 Mixture of sodium bisulfite and sodium metabisulfite.
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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