GFS Chemicals, 4 L
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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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n-Hexane-MTBE 80-20 Mixture
GFS ChemicalsSubstitute for Freon in the EPA test for oil and grease in stormwater.
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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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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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Conductivity Standard, 1,000 uS/cm
GFS ChemicalsMade from potassium chloride. Conductivity 1,000 +/- 10 uS/cm NIST Traceable
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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 uS/cm
GFS ChemicalsMade from potassium chloride. Conductivity 100 +/- 1 uS/cm NIST Traceable
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Sodium Hydroxide, Solution, 10 N
GFS ChemicalsNaOH CAS#: 1310-73-2 F.W.: 40.00 32% NaOH by wt. (Low Nitrogen grade for Kjeldahl) 10 mol/L
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For volumetric titrations. Titer approx. 5 mg/ml.
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C10H14O8N2Na2 CAS#: 6381-92-6
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Tetrabutylammonium Phosphate Buffer, pH 7.5
GFS ChemicalsMixed phosphate buffer. Approximate tetrabutylammonium ion concentration 0.5 M.
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n-Amyl Alcohol (ACS)
GFS ChemicalsCH3(CH2)4OH CAS#: 71-41-0 F.W.: 88.16 NFPA#: 2-2-2 Specific Gravity: 0.820 1-Pentanol
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Hexanes, for EPA Method 1664A
GFS ChemicalsC6H14 CAS#: 110-54-3 F.W.: 86.18 Meets specifications for EPA method 1664, Revision A, n-Hexane Extractable Material by Extraction and Gravimetry.
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Ammonium Oxalate Solution, 5% W/V
GFS Chemicals(NH4)2C2O4•H2O CAS#: 6009-70-7 F.W.: 142.11 Reagent Grade Solution
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Potassium Hydroxide Solution, 0.01 N in Isopropanol
GFS ChemicalsKOH CAS#: 1310-58-3 F.W.: 56.11 0.01 mol/L
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NaOCl CAS#: 7681-52-9 F.W.: 74.44