GFS Chemicals
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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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The GFS Chemicals bromcresol solution comes in a light yellow liquid form with an unpleasant odor. The bromcresol solution is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other Professional, Scientific…
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Color Standard Solution, APHA 50
GFS ChemicalsPlatinum-Cobalt base TEST Suitability - Pass test Prepared by dilution of AHPA 500
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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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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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Chromium Sulfate
GFS ChemicalsCr2(SO4)3•xH2O CAS#: 15244-38-9 F.W.: 392.18 + NFPA#: 2-0-0 x is typically 6-8.
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Sodium Phosphate, Monobasic, Monohydrate Reagent (ACS)
GFS ChemicalsACS Reagent Grade, monobasic monohydrate
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Hydrochloric Acid, 30-38%, Environmental Grade
GFS ChemicalsHCl CAS#: 7647-01-0 F.W.: 36.46 Trace metal/ICP grade packed in plastic resin bottles to eliminate common metals leached from glass.
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C10H14O8N2Na2 CAS#: 6381-92-6
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Copper 5 ppm Standard Solution
GFS ChemicalsAA, colorimetric or volumetric standard Concentration 5 ug/ml Matrix: <5% HNO3 NIST Traceable
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Rhodanine
GFS ChemicalsThe GFS Chemicals rhodanine 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: other Professional,…
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Acetic Acid Veritas® Redistilled
GFS ChemicalsTrace metal grade. Low ppb metal impurities. Note: Results reported at time of bottling in glass. The levels of Al, B, Ca, K, Mg, Mn, Na and Si will increase over time.
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Sodium Citrate, Dihydrate, Acs Reagent
GFS ChemicalsSodium citrate, dihydrate, cas 6132-04-3, item 800. Sodium nitrate is a sodium salt of citric acid. The sodium citrate formula is hoc(coona)(ch2coona)2.2h2o (dihydrate form). The molar mass of sodium citrate is 294.10 g/mol. The sodium citrate density is 1.7 g/cm3 and has a melting point of 300…
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Precious Metals Multielement Standard
GFS Chemicals100 ppm each element in 20% Hydrochloric Acid. Gold 100 +/- 1 ug/mL Iridium 100 +/- 1 ug/mL Osmium 100 +/- 1 ug/mL Palladium 100 +/- 1 ug/mL Platinum 100 +/- 1 ug/mL Rhenium 100 +/- 1 ug/
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Chloramine T (ACS)
GFS ChemicalsCH3C6H4SO2NClNa•3H2O CAS#: 7080-50-4 F.W.: 281.70 NFPA#: 3-1-2 Descriptions: (N-chloro-p-toluenesulfonamide, sodium salt)
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Test Turbidity (on Hanna 88703) 15 NTU Absorbance at 455nm (50mm pathlength) Lot Number of Baseline Material