You searched for: Chromatography Standards

Supplier: HICHROM LIMITED

These text mixtures are used for reversed and normal-phase chromatograms for a 250×4.6 mm Int.Ø columns.

Supplier: MilliporeSigma

For HPLC System Qualification Set 3: Separation; Parabens in Methanol / Water (50:50)

Supplier: MilliporeSigma

For HPLC System Qualification Set 1: Precision and Linearity; Parabens in Methanol / Water (50:50)

Supplier: MilliporeSigma

For HPLC System Qualification Set 7: Precision; 60 Mg/L Methyl Paraben in Methanol

Supplier: MilliporeSigma

For HPLC System Qualification Set 1 A: Precision and Linearity; Parabens in Methanol/Water (50:50)

Supplier: MilliporeSigma

For HPLC System Qualification Set 2: Precision; 100 Mg/L Methyl Paraben in Methanol / Water (50:50)

Supplier: MilliporeSigma

Lichrotest Standard Samples For HPLC System Qualification Set 8: Linearity; Methyl Parabens in Methanol

Supplier: Thermo Scientific

Reference Materials to quality performance verification (PV) tests in UV region. A set of solutions for pharmacopeia compliance support.

Supplier: Thermo Scientific

Reference Materials to quality performance verification (PV) tests in UV-Vis region. A set of filter standards for pharmacopeia compliance support.

Supplier: Restek

11 components

Supplier: Restek

7 components

Supplier: Restek

8 components

Supplier: Restek

To access certificate and SDS documentation for individual reference standards, visit www.restek.com/documentation

Supplier: Restek

Contains: (C14) n-Tetradecane (629-59-4); (C15) n-Pentadecane (629-62-9); (C16) n-Hexadecane (544-76-3)

Supplier: Restek

This mix also can be used for underground storage tank monitoring.

Supplier: Restek

8 components

Supplier: Restek

LC OQ Wavelength Accuracy Standard, Compound: erbium perchlorate, Concentration: 10 mg/mL in water, CAS no: 14017-55-1, Shelf Life: 6 Months, Storage: 10 deg C or colder, Volume: 5 mL/ampule

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

5 components

Supplier: Restek

8 components

Supplier: Restek

Standard LC OQ Gradient, Compound: Acetone, CAS: 67-64-1, Concentration in Solvent: Neat, Storage: 10 degree C or colder, Shelf Life: 6 months, Volume: 1ml/ampule.

Supplier: Electron Microscopy Sciences

Particle-size standards are certified for mean diameter and are traceable to the National Bureau of Standards (NBS). Duke Scientific's new line of standards in the submicrometer size range is called Nanosphere Size Standards™, and monosized polymer microspheres.

Supplier: Restek

Contains:

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

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

Supplier: Advanced Instruments

This reference solution is used to check for instrument drift before each shift, to monitor operators’ techniques, to bracket unknown sample runs, and to verify and diagnose erratic results.

Supplier: FIREFLYSCI, INC.

Broad range solid-state standard kit for checking photometric accuracy, wavelength accuracy and stray light in the VIS range.

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: Restek

Contains: n-decane, C10, 280 µg/ml, methyl decanoate, C10:0, 420 µg/ml, n-undecane, C11, 280 µg/ml, methyl undecanoate, C11:0, 420 µg/ml, methyl dodecanoate, C12:0, 420 µg/ml, L(+)-2,3-butanediol, 530 µg/ml, 2,6-dimethylaniline, 320 µg/ml, 2,6-dimethylphenol, 320 µg/ml, 2-ethylhexanoic acid, 380 µg/ml, nonanal, 400 µg/ml, 1-octanol, 360 µg/ml.