You searched for: Chromatography Standards

Supplier: Resonac

Size Exclusion Standard, Standard P-82, 0,2 g × 8 standards, with MW range 5000 - 800000, pullulan

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.

Supplier: AGILENT

Polypropylene glycol standard, PDI <1,15, 1 g.

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.

Supplier: PerkinElmer

Standard for GC, Benzidines mix

Supplier: PerkinElmer

HPLC Standard, Universal test mix for Reversed-phase, 5 ml

Supplier: MACHEREY-NAGEL

These test mixtures are used for controlling the performance of fused silica capillary columns and the GC system.

Supplier: PerkinElmer

This test film is an easy-to-use standard to check frequency, accuracy and any changes.

Supplier: PerkinElmer

DSC Standard, Reference material, Alumel, Diamond™

Supplier: CPACHEM

Standard for Liqid Chromatography, Monomethylamine 1000 mg/l in water

Supplier: Restek

Standard for Liqid Chromatography, LC OQ standards kit (acetone)

Supplier: Restek

Standard for Liqid Chromatography, LC OQ standards kit

Supplier: Restek

Erbium perchlorate, 14017-55-1

Supplier: Restek

Linear detector responses to concentration variations are an important part of operation qualification (OQ) for LC instruments. Kit of five aqueous solutions of caffeine can be used to generate simple plots of UV response versus concentration.

Supplier: Restek

FID performance evaluation standard contains three components such as (C14) n-Tetradecane (629-59-4), (C15) n-Pentadecane (629-62-9) and (C16) n-Hexadecane (544-76-3).

Supplier: Restek

Highly effective for characterising LC column parameters and tested against the NIST 870 standard.

Supplier: Restek

This carbohydrate LC performance check mix consist of five components which performance qualification (PQ) determines the precision of the LC system.

Supplier: Restek

Pesticide analysis is fast and simple using QuEChERS methods. Use these cost-effective QuEChERS standards for even greaterlab efficiency. Standards are compatible with all major methods, including mini-multiresidue, AOAC, and European procedures.

Supplier: VARIAN

The quickest and most convenient method to deliver an accurate 12 point column calibration for organic and aqueous GPC/SEC column calibration.

Supplier: Restek

Certified reference materials (CRMs) manufactured and QC-tested in ISO-accredited labs.

Supplier: Restek

Developed specifically for using LC coupled with GC-FID to accurately determine hydrocarbons found in mineral oils, which can migrate from processing equipment and packaging into food.

Supplier: Restek

The mix consists of (C9:0) methyl nonanoate, (C13) n-tridecane, (C15) n-pentadecane, acenaphthylene, 4-chlorophenol, 1,6-hexanediol, 4-propylaniline and 1-undecanol.

Supplier: Restek

This contains (C9:0 FAME) methyl nonanoate, (C13) n-tridecane, (C15) n-pentadecane, acenaphthylene, 4-chlorophenol, n-decylamine, 1,6-hexanediol and 1-undecanol (112-42-5).

Supplier: Restek

This test mix for NPI-350 column contains: (C9:0 FAME) Methyl nonanoate (1731-84-6); (C13) n-Tridecane (629-50-5); (C15) n-Pentadecane (629-62-9); Acenaphthylene (208-96-8); 4-Chlorophenol (106-48-9); 1,6-Hexanediol (629-11-8); 4-Propylaniline (2696-84-6); 1-Undecanol (112-42-5).

Supplier: Restek

The amine column test mix consists of (C10) decane (0,60 mg/ml), (C12) dodecane (0.60 mg/ml, 1,2-butanediol (0.60 mg/ml), diethanolamine (DEA) (1.20 mg/ml), diethylenetriamine (1.20 mg/ml), 2,6-dimethylaniline (0.60 mg/ml), 2-nonanol (0.60 mg/ml), pyridine(0.60 mg/ml).

Supplier: Restek

The mix consists of (C10:0) Methyl decanoate (210 μg/ml), (C11:0) methyl undecanoate (210 μg/ml), (C12) n-dodecane 150 μg/ml, (C12:0) methyl dodecanoate (210 μg/ml), 2,3-butanediol (+/-) (500 μg/ml), 1-heptanol (180 μg/ml), 3-methylphenol (m-cresol) (160 μg/ml), 1-phenylethanol (+/-) (500 μg/ml) and α-pinene (+/-) (500 μg/ml).

Supplier: LGC Standards PROMOCHEM

NIST-1921B, Polystyrene film - IR transmission wavelength

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.

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.

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.