GFS Chemicals, 500 mL
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Buffer Solution
GFS ChemicalsThe pH of a sample is an indication of its acidity or alkalinity and pH determination is one of the most commonly conducted laboratory measurements. The term pH is defined as the negative logarithm (base 10) of the Hydrogen ion concentration (or, more accurately, Activity) expressed in molarity.…
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85% Phosphoric Acid
GFS ChemicalsThe GFS Chemicals phosphoric acid with 85% concentration levels comes in a colorless and odorless liquid form. The phosphoric acid is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other Professional,…
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37% Hydrochloric Acid, ACS Reagent
GFS ChemicalsHydrochloric acid, also known as muriatic acid, is a strongly acidic solution of the gas hydrogen chloride in water. It is a colorless solution with a distinctive pungent smell. It is a component of the gastric acid in the digestive systems of most animal species, including humans and is classified…
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Veritas Ultimate Nitric Acid
GFS ChemicalsTrace Metal Grade Nitric Acid, PPT Grade, Veritas Trace, Item 7200, CAS 7697-37-2. Veritas Trace PPT trace metal grade acids are distilled using proprietary technology that can produce the purest acids for trace metal analysis in the world. The entire process is controlled by sophisticated,…
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TEST Turbidity (In-Situ Troll) 100 NTU +/- 1 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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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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Chlorotrimethylsilane, 98+%
GFS Chemicals(CH3)3SiCl CAS#: 75-77-4 F.W.: 108.64 Trimethylchlorosilane.
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Potassium Chromate, Solution, 5%
GFS ChemicalsK2CrO4 CAS#: 7789-00-6 F.W.: 194.20 NFPA#: 4-0-2 Specific Gravity: 1.040 Indicator for volumetric chloride determination.
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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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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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Karl Fischer Reagent Kit (Pyridine-free; coulimetric)
GFS ChemicalsFor coulometric analysis. Anolyte for all coulometric titrators. Universal solution for certain coulometric titrators.
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Sulfuric Acid, ACS Reagent
GFS ChemicalsSulfuric acid or sulphuric acid, also known as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen, and hydrogen, with the molecular formula H2SO4. It is a colorless and oily liquid that is miscible with water at all concentrations. It is soluble in water with the release of…
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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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TEST Turbidity (on Hach 43900/XR) 180 NTU +/- 2 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material
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Substitutes for 1612 Vessel solution when moisture is to be determined in ketones. Does not contain methanol.
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Dichlorofluorescein Solution, 1% in Reagent Alcohol
GFS ChemicalsC20H10Cl2O5 CAS#: 76-54-0 F.W.: 401.20
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Perchloric Acid Redistilled
GFS ChemicalsHCIO4 F.W.: 100.46 NFPA#: 3-0-1 Specific Gravity: 1.660 DOT: 1/8/I Descriptions: Trace 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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Calmagite Solution, 0.1% Aqueous
GFS Chemicals1-(1-Hydroxy-4-methyl-2-phenylazo)-2-naphthol-4-sulfonic Acid CAS#: 3147-14-6 F.W.: 358.38
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Gold 1,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 1,000 +/- 10 ug/ml Matrix: 20% Hydrochloric acid NIST Traceable
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Antimony Potassium Tartrate Solution
GFS ChemicalsK2(C4H2O6Sb)2•3H2O CAS#: 28300-74-5 F.W.: 667.87 APHA for phosphate, about 2.74 g/L
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Common and Transition Elements Multielement Standard
GFS ChemicalsMatrix: 5% nitric acid with trace tartaric acid. Ag 100 ug/ml Al 100 ug/ml As 100 ug/ml Ba 100 ug/ml Be 100 ug/ml Bi 100 ug/ml Ca 1000 ug/ml Cd 100 ug/ml Cr
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Arsenic 10,000 ppm ICP Standard Solution
GFS ChemicalsConcentration 10,000 +/- 100 ug/ml Matrix: <5% HNO3 NIST Traceable
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Hydrogen Peroxide, 50% Solution
GFS ChemicalsH2O2 CAS#: 7722-84-1 F.W.: 34.02 Retest concentration regularly.