You searched for: Chromatography Standards
Frequently used for calibration, the chromatography standards have a known concentration to test separating equipment for performance faults. Analytical equipment error would impact the dependability of retention time, purity, molecular weight, and compound identification conclusions. Improving data quality, the substances allow personnel to plot analyte signal ratios and obtain concentrations from a calibration curve. Chromatography standards verify instruments are suitable for intended ion exchange, gel filtration, and hydrophobic interaction procedures.
Calibration standards for size exclusion chromatography
Supplier: Resonac
Size Exclusion Standard, Standard M-75, 0,5 g × 7 standards, with MW range 1800 - 950000, PMMA
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Polypropylene Glycol Standards
Supplier: AGILENT
Polypropylene glycol standard, PDI <1,15, 1 g.
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Mass spectrometry controls, peptide retention time calibration mixture, Pierce™
Supplier: Thermo Fisher Scientific
The Pierce mixture enables reversed phase liquid chromatography (LC) and mass spectrometry (LC-MS) users to optimise and confirm correct operation of their equipment.
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Molecular weight calibration standards for SEC
Supplier: TOSOH Bioscience
These standards consists of bulk quantities of polystyrene and polyethylene oxide standards of varying molar mass and pre-mixed quantities of polystyrene polymers for calibration of GPC columns.
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Organic standards for gas chromatography
Supplier: PerkinElmer
Standard for GC, Phenolics mix
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Standards solutions for HPLC
Supplier: PerkinElmer
HPLC Standard, Universal test mix for Reversed-phase, 5 ml
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Polystyrene Test Film - MIR
Supplier: PerkinElmer
This test film is an easy-to-use standard to check frequency, accuracy and any changes.
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Test mixtures for gas chromatography
Supplier: MACHEREY-NAGEL
These test mixtures are used for controlling the performance of fused silica capillary columns and the GC system.
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Calibration reference materials for autosamplers, Diamond™ DSC
Supplier: PerkinElmer
DSC Standard, Reference material, Alumel, Diamond™
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Standards for ion chromatograpghy
Supplier: ACTIVE MOTIF
Standard for Liqid Chromatography, Monomethylamine 1000 mg/l in water
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Pre-weighted calibration kits, EasiVial™
Supplier: VARIAN
The quickest and most convenient method to deliver an accurate 12 point column calibration for organic and aqueous GPC/SEC column calibration.
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Positive electrophoretic mobility standard, NIST-1980
Supplier: LGC Standards PROMOCHEM
This Standard Reference Material (SRM) is intended for use in the evaluation of equipment, and the validation of methodology used to measure electrophoretic mobility.
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Polystyrene film - IR transmission wavelength standards, NIST-1921B
Supplier: LGC Standards PROMOCHEM
NIST-1921B, Polystyrene film - IR transmission wavelength
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Pre-prepared polystyrene kits, EasiCal™
Supplier: VARIAN
The EasiCal system for organic solvents consists of two different combs, each with ten detachable spatulas supporting a mixture of five polymer standards with MWs selected to provide equidistant calibration points for greater accuracy.
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Polystyrene standards, GPC/SEC columns calibration
Supplier: VARIAN
Polystyrene standards for many organic solvents either for conventional GPC column calibration or for calibrating light scattering and viscosity detectors that provide equidistant calibration points for greater accuracy.
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Polymethylmethacrylate standards, GPC/SEC columns calibration
Supplier: VARIAN
Polymethylmethacrylate (PMMA) standards are extremely versatile as they can be used for organic GPC with a wide range of medium polarity eluents, such as tetrahydrofuran, toluene, methyl ethyl ketone and ethyl acetate.
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Polyethylene glycol/oxide standards
Supplier: VARIAN
These hydrophilic polymers are suitable for both aqueous SEC and organic GPC using the majority of polar organic solvents. The two types are chemically similar that can be used together across a wider molecular weight range with aqueous and organic polymers.