GFS Chemicals, Bottle, Glass, Amber
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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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WaterMark® KARL FISCHER DILUENT
GFS ChemicalsMoisture-free diluent for adjusting titer of Pyridine-based KF Reagent.
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WaterMark® KARL FISCHER SOLVENT, METHANOL-FREE
GFS ChemicalsFor volumetric analysis. To be used with reagents 1600, 1601 and stable titrant 1602-1604. For determination of water in aldehydes and ketones in addition to general usage.
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WaterMark® KARL FISCHER WATER STANDARD, 5.0 mg/g
GFS ChemicalsFor volumetric or coulometric use. For standardization of Karl Fischer titrants or titrators.
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For coulometric analysis. Catholyte for coulometric titrators.
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Hydriodic Acid, 55%, ACS Reagent
GFS ChemicalsThe GFS Chemicals hydriodic acid with concentration levels of 55% comes in a dark red liquid form with a pungent odor. The hydriodic acid is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other…
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Hydriodic Acid, 47%, ACS Reagent
GFS ChemicalsThe GFS Chemicals hydriodic acid with 47% concentration levels comes in a colorless liquid form with a pungent odor. The hydriodic acid is ideal for many purposes in professional, scientific and technical fields. Application: For Professional, Scientific and Technical Activities, other…
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WaterMark® KARL FISCHER WATER STANDARD, 0.10 mg/g
GFS ChemicalsFor checking calibration of coulometric KF equipment.
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For coulometric analysis of oils and petroleum products. Anolyte for coulometric titrators.
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POTASSIUM DICHROMATE , CERTIFIED P.S.
GFS ChemicalsStandardization of Ferrous Sulfate, Sodium Thiosulfate
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Standardization of a KF reagent is necessary to determine its water equivalency. GFS is the primary manufacturer of a broad range of reference materials, all made in-house at our Columbus, Ohio facilities. The (liquid) water standards are delivered in boxes of 10 single-use ampoules with a shelf…
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Methyl Alcohol, Gc, Residue
GFS ChemicalsMethyl Alcohol, also known as methanol or wood alcohol, is a colorless, very volatile liquid with a faint sweet fruity odor similar to that of ethanol. With water, it entirely mixes. Vapors are slightly greater than air in weight and may travel some distance to a source of ignition before returning…
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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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For coulometric analysis. Anolyte for all coulometric titrators. Universal solution for certain coulometric titrators.
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For volumetric analysis. Must be used in conjunction with KF Solvent 1609, 1610 or Buffer 1615.
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For volumetric analysis. Suitable for general purpose or aldehydes and ketones.
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For checking calibration of coulometric KF equipment. Water in xylene.
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Methanol Prime, Watermark Karl Fischer Solvent
GFS ChemicalsSolvent for general use in single component volumetric titration. Allows for faster equilibrium in set-up and a faster titration than plain methanol. Application: For Laboratory Reagent for Water Determination using the Karl Fischer Method
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Catholyte solution for coulometric analysis. For both general use and Aldehydes and Ketones.
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WaterMark® KARL FISCHER WATER STANDARD, 1.0 mg/ml
GFS ChemicalsFor volumetric or coulometric use. For standardization of titrants or titrators.
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WaterMark® KARL FISCHER WATER STANDARD, 0.10 mg/ml
GFS ChemicalsFor checking calibration of coulometric KF equipment.
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Watermark® Karl Fischer Solvent, for Aldehydes & Ketones
GFS ChemicalsFor use with 1 component reagents, GFS # 1600, 1601, for determination of water in aldehydes and ketones. Especially suitable for higher MW products and mixtures containing non-polar constituents.
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WaterMark® KARL FISCHER TITRANT, 5 mg/ml in METHANOL
GFS ChemicalsIodine/methanol volumetric titrant. Must be used in conjunction with KF Solvent 1610.
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Specially dried methyl alcohol for use with KF Reagents 1600, 1601 and 1620. For general purpose. Not for aldehydes and ketones.
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WaterMark® KARL FISCHER COULOMETRIC REAGENT PACKAGE
GFS ChemicalsKit contains 1 L of Vessel Solution (Anolyte), 125 ml of Generator Solution (Catholyte), 25 ml of Neutralizer and 1 funnel.
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For volumetric titrations. Titer approx. 5 mg/ml.
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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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p-Toluenesulfonic Acid, Monohydrate, Reagent (ACS)
GFS ChemicalsCH3C6H4SO3H•H2O CAS#: 6192-52-5 F.W.: 190.22
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WaterMark® KARL FISCHER WATER STANDARD, 10.0 mg/g
GFS ChemicalsFor standardization of volumetric titrants.
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For volumetric analysis. Suitable for general purpose or aldehydes and ketones. Specific Gravity: 1.200 NFPA#: 2-2-1