GFS Chemicals, Solutions
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TPTZ Ferrous Sulfate Solution, 0.00050 Mol/L
GFS ChemicalsReagent solution for the determination of microgram amounts of EDTA, B Kratochvil and M.C. White, Anal. Chem., 37, 111 (1965)
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Hydrochloric Acid, Solution, 0.5 N
GFS ChemicalsHCl CAS#: 7647-01-0 F.W.: 36.46 NFPA#: 2-0-0 Specific Gravity: 1.010 0.5 mol/L
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Triton® X-100
GFS Chemicals(C8H17)C6H4(OCH2CH2)nOH CAS#: 9036-19-5 Polyoxyethylene(10) isooctylphenyl ether. n in formula is about 10.
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Conductivity Standard, 100,000 uS/cm
GFS ChemicalsMade from potassium chloride. Conductivity 100,000 +/- 1,000 uS/cm
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Conductivity Standard, 10,000 uS/cm
GFS ChemicalsMade from potassium chloride. Conductivity 10,000 +/- 100 uS/cm NIST Traceable
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Ammonium Sulfide, 20% Aqueous Solution (ACS)
GFS Chemicals(NH4)2S CAS#: 12135-76-1 F.W.: 68.14 20 wt % in water
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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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Water Hardness Buffer Solution with Magnesium EDTA
GFS ChemicalsAmmonium Chloride-Hydroxide with Magnesium EDTA for Water Hardness or for Standard EDTA Titrations. Expires 30 days after opening. NH4OH+NH4Cl
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Sulfuric Acid, Solution, 1 N
GFS ChemicalsH2SO4 CAS#: 7664-93-9 F.W.: 98.09 NFPA#: 2-0-1 Specific Gravity: 1.030 0.5 mol/L
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Ammoniacal Buffer, pH 10, for EDTA Titrations
GFS ChemicalsNH4OH+NH4Cl Ammonium Hydroxide-Ammonium Chloride Buffer. Prepared according to REAGENT CHEMICALS, ACS SPECIFICATIONS.
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Sodium Hypochlorite Solution, 10-13% Available Chlorine
GFS ChemicalsNaOCl CAS#: 7681-52-9 F.W.: 74.44
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Sodium Sulfite, Zero Dissolved Oxygen Solution
GFS ChemicalsNa2SO3 CAS#: 7757-83-7 F.W.: 126.04 0 mg/L dissolved oxygen
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Sodium Hydroxide, Solution, 0.1 N
GFS ChemicalsNaOH CAS#: 1310-73-2 F.W.: 40.00 NFPA#: 2-0-1 Specific Gravity: 1.030
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Sodium Thiosulfate Solution, 0.025 N
GFS ChemicalsNa2S2O3•5H2O CAS#: 10102-17-7 F.W.: 248.18 0.025 mol/L
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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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Sodium Acetate-2m Acetic Acid Buffer
GFS ChemicalsThe GFS Chemicals sodium acetate (2M acetic acid buffer) is mainly used in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage. Application: For Professional, Scientific and Technical Activities:…
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C10H14O8N2Na2 CAS#: 6381-92-6
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