GFS Chemicals, 500 mL
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Ferric Nitrate Solution, 20% W/V
GFS ChemicalsFe(NO3)3•9H2O CAS#: 7782-61-8 F.W.: 404.00 ASTM Reagent No. 148
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In-Spec® UV Standard #3
GFS ChemicalsNIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.079.
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AMCO Clear® Turbidity Standard, 30 NTU
GFS ChemicalsTEST Turbidity 30 NTU +/- 0.3 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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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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Sulfuric Acid, Superior (ACS)
GFS ChemicalsH2SO4 CAS#: 7664-93-9 F.W.: 98.09 Metals analysis reported on certificate in ppm.
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AMCO Clear® Turbidity Standard, 0.5 EBC
GFS ChemicalsTEST Turbidity (Haze) 0.5 EBC +/- 0.05 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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TEST Turbidity (OBS sensor inst) 4000 TU +/- 40 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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Nitric Acid, Veritas Double Distilled
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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Perchloric Acid, 10% W/W
GFS ChemicalsHClO4 CAS#: 7601-90-3 F.W.: 100.46 Suitable for protein denaturization.
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In-Spec® UV Standard #8
GFS ChemicalsNIST Traceable, non-toxic reference material for the UV spectrophotometer. Full UV scan reported with a typical absorbance at 300 nm in 10 mm pathlength being approximately 0.253.
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Vanadium 10,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 10,000 +/- 100 ug/ml Matrix: 5% Nitric Acid NIST Traceable
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Zirconium n-Propoxide, 70% (W/W) in n-Propyl Alcohol
GFS ChemicalsZr(OCH2CH2CH3)4 CAS#: 23519-77-9 F.W.: 327.58
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Lanthanum Chloride, Solution, 10%
GFS ChemicalsLaCl3•7H2O CAS#: 10025-84-0 F.W.: 371.37 Suitable for flame enhancement in Atomic Absorption.
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Nitric Acid, Superior (ACS)
GFS ChemicalsHNO3 CAS#: 7697-37-2 F.W.: 63.01 Metals analysis reported on certificate in ppm.
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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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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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Hydrochloric Acid, 37%, Superior (ACS)
GFS ChemicalsHCl CAS#: 7647-01-0 F.W.: 36.46 Metals analysis reported on certificate in ppm.
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Chromium 10,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 10,000 +/- 100 ug/ml Matrix: <5% HCl NIST Traceable
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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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Refractory Elements II Multielement Standard
GFS Chemicals100 ppm each element in 5% hydrochloric acid with a trace of HF. Aluminum 100 +/- 1 ug/mL Boron 100 +/- 1 ug/mL Chromium 100 +/- 1 ug/mL Hafnium 100 +/- 1 ug/mL Molybdenum 100 +/- 1 ug/mL
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AMCO Clear® Turbidity Standard, 4.0 NTU
GFS ChemicalsTurbidity 4.0 NTU +/- 0.04 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material
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Concentration (as chlorite) 1,000 +/- 10 ug/mL Matrix: sodium chlorite, water
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AMCO Clear® Turbidity Standard, 6.0 NTU
GFS ChemicalsTEST Turbidity 6.0 NTU +/- 0.06 Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material