500 mL, Solutions, GFS Chemicals
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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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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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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 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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NaOCl CAS#: 7681-52-9 F.W.: 74.44
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Conductivity Standard, 25,000 uS/cm
GFS ChemicalsConductivity 25,000 +/- 200 uS/cm Made from potassium chloride.
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Sodium Chloride-Hydroxylamine Sulfate Solution
GFS ChemicalsSuitability for metals (APHA) Pass Test
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Nessler Reagent (Mercuric Potassium Iodide, Solution)
GFS ChemicalsNFPA#: 4-0-3 Specific Gravity: 1.097 For ammonia determination. Prepared per ACS Reagent Chemicals, 10th Edition, page 103.
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Hydrogen Peroxide, 50% Solution
GFS ChemicalsH2O2 CAS#: 7722-84-1 F.W.: 34.02 Retest concentration regularly.
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Buffer, Sikora
GFS ChemicalsThe GFS Chemicals sikora buffer comes in a colorless liquid form with a little to no odor. The sikora buffer is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other Professional, Scientific and Technical Activities
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Potassium Chloride, Solution, 4 M
GFS ChemicalsKCl CAS#: 7447-40-7 F.W.: 74.55 For pH electrodes. 4 mol/L
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Conductivity Standard, 100 uS/cm
GFS ChemicalsMade from potassium chloride. Conductivity 100 +/- 1 uS/cm NIST Traceable
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Stannous Chloride, Reagent I
GFS ChemicalsSnCl2•2H2O CAS#: 10025-69-1 F.W.: 225.63 APHA for Phosphate
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