Chromatography Reagents

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Reagents, C Chromatography Reagents

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  • Silica, 60A, 53-210 Micron (70-270 Mesh)

    GFS Chemicals

    Irregular, chromatographic grade. 60 angstrom pore size, standard particle size distribution of 70-270 mesh (53-210 micron). Surface area 500 m2/g. M-N # 815320.

  • 2,4,6-Trichlorophenol

    Restek

    Compound List 2,4,6-Trichlorophenol (88-06-2)

  • Charcoal Activated For Gas Chromatography 0.5-1 mm (18-35 Mesh ASTM)

    MilliporeSigma

    CAS No.: 7440-44-0 Solubility: (20°C) insoluble Melting Point: 3550°C Molar Mass: 12.01 g/mol Bulk Density: 150 - 440 kg/m3 Hill Formula: C

  • Standard TLC Silica with Binder & Indicator

    GFS Chemicals

    Irregular silica for TLC applications. 60 angstrom pore size, -400 mesh (5-25 micron) particle size. Surface area 500 m2/g. With gypsum binder and fluorescent indicator (F-254). M-N # 816320.

  • Silica gel 60, 0.040-0.063mm; 230-400 mesh, 99.5% trace metals basis

    BeanTown Chemical

    CAS: 63231-67-4 EC No: 231-545-4 MDL No: MFCD00011232 RTECS: VV7565000 Powder, S.A. 500-600 m2/g Melting Point: >1600° Boiling Point: 2230°

  • Individual Semivolatile Surrogate and Internal Standards for EPA Methods

    Restek

    Compound List 2,4,6-Tribromophenol (118-79-6)

  • Residual Range Calibration Standard (RCS) (2 components)

    Restek

    Compound List SAE30 motor oil:SAE40 motor oil (1:1) (64742-65-0)

  • Chloral Hydrate

    Restek

    Compound List Chloral hydrate (302-17-0)

  • Gasoline Component Standard (10 components)

    Restek

    Compound List Benzene (71-43-2), 500 µg/mL Ethylbenzene (100-41-4), 500 µg/mL Heptane (142-82-5), 500 µg/mL 2-Methylpentane (107-83-5), 1,500 µg/mL Toluene (108-88-3), 1,500 µg/mL 1,2,4-Trimethylbenzene (95-63-6), 1,000 µg/mL 2,2,4-Trimethylpentane (isooctane) (540-84-1), 1,500 µg/mL m-Xylene…

  • Phenols/Anilines/Pesticides Test Mix (9 components)

    Restek

    Compound List 4-Chloroaniline (106-47-8) 4,4'-DDT (50-29-3) 2,4-Dinitrophenol (51-28-5) Endrin (72-20-8) Naphthalene (91-20-3) 3-Nitroaniline (99-09-2) N-Nitroso-di-n-propylamine (621-64-7) Pentachlorophenol (87-86-5) Phenanthrene (85-01-8)

  • n-Triacontane-d62

    Restek

    Compound List n-Triacontane-d62

  • Methylation reagents

    MACHEREY-NAGEL

    Purpose of derivatization Improved volatility, better thermal stability or a lower limit of detection in GC Prerequisite: quantitative, rapid and reproducible formation of only one derivative Halogen atoms introduced by derivatization (e.g., trifluoroacetates) for specific detection…

  • Silylation reagents (DMCS, HMDS, TMCS, TSIM)

    MACHEREY-NAGEL

    Purpose of derivatization Improved volatility, better thermal stability or a lower limit of detection in GC Prerequisite: quantitative, rapid and reproducible formation of only one derivative Halogen atoms introduced by derivatization (e.g., trifluoroacetates) for specific detection…

  • Food Industry FAME Mix (37 components)

    Restek

    Compound List Chain, Compound (CAS#), % by Weight C4:0 Methyl butyrate (623-42-7), 4% C6:0 Methyl caproate (106-70-7), 4% C8:0 Methyl caprylate (111-11-5), 4% C10:0 Methyl decanoate (110-42-9), 4% C11:0 Methyl undecanoate (1731-86-8), 2% C12:0 Methyl dodecanoate (111-82-0), 4% C13:0 Methyl…

  • Molecular Sieve, 5A, 4-8 Mesh Beads

    GFS Chemicals

    CAS#: 1344-02-1

  • Method 535 Individual Compounds

    Restek

  • Acrolein

    Restek

    Compound List Acrolein (107-02-8) This product has a limited shelf life. We recommend that you order only the ampul quantity that meets your immediate needs. NOTE: Store standards under frozen conditions (0°C or colder). We recommend you store ampuls lying flat (horizontally) to…

  • PCB Congener Standard #2 (7 components)

    Restek

    Compound List 2,4,4'-Trichlorobiphenyl (BZ #28) (7012-37-5) 2,2',5,5'-Tetrachlorobiphenyl (BZ #52) (35693-99-3) 2,2',4,5,5'-Pentachlorobiphenyl (BZ #101) (37680-73-2) 2,3',4,4',5-Pentachlorobiphenyl (BZ #118) (31508-00-6) 2,2',3,4,4',5'-Hexachlorobiphenyl (BZ #138) (35065-28-2)…

  • Silica Gel 60 H

    MilliporeSigma

    Standardized sorbents ensure reliable results every time. EMD Millipore’s broad spectrum meets all kinds of needs. In TLC, silica gel 60 sorbent is considered the most versatile. Our assortment of silica gel 60 features different grades with particle sizes ranging from 5-40 µm: silica with a gypsum…

  • GST-Sefinose Resin

    Bio Basic Inc.

    The glutathione ligand is coupled via a 10-carbon linker to highly cross-linked 6% agarose. The coupling of Glutathione Sefinose™ resin is optimized to provide high binding capacity and one-step purification of glutathione S-transferase (GST) tagged proteins expressed from  pGEX series…

  • Acid Surrogate Mix (4/89 SOW) (3 components)

    Restek

    Compound List 2-Fluorophenol (367-12-4) Phenol-d6 (13127-88-3) 2,4,6-Tribromophenol (118-79-6)

  • DHA PiONA Standard (133 components)

    Restek

    Compound List Compound, Conc (wt/wt%) Paraffins N-Decane, 1.736% N-Dodecane, 1.727% N-Heptane, 1.723% N-Hexane, 1.729% N-Nonane, 1.727% N-Octane, 1.721% N-Pentadecane, 1.734% N-Pentane, 1.728% N-Tetradecane, 1.735% N-Tridecane, 1.723% N-Undecane, 1.723% Isoparaffins 3,3-Diethylpentane, 0.364%…

  • GFSELECT™ Silica, 90A, 60-200 Micron (70-230 Mesh)

    GFS Chemicals

    Irregular, chromatographic grade. 90 angstrom pore size, 70-230 mesh (60-200 micron) particle size.

  • PCB Congeners

    Restek

  • ASTM D3606 Calibration Standard #3 without Internal Standard (2 components)

    Restek

    Compound List Benzene (71-43-2), 1.25% vol/vol Toluene (108-88-3), 10% vol/vol

  • MA Fractionation Check Mix (31 components)

    Restek

    Compound List PAHs: Acenaphthene (83-32-9) Acenaphthylene (208-96-8) Anthracene (120-12-7) Benz(a)anthracene (56-55-3) Benzo(a)pyrene (50-32-8) Benzo(b)fluoranthene (205-99-2) Benzo(k)fluoranthene (207-08-9) Benzo(ghi)perylene (191-24-2) Chrysene (218-01-9) Dibenz(a,h)anthracene (53-70-3)…

  • LC Multiresidue Pesticide Standard #7 (7 components)

    Restek

    Accurately detect and quantify pesticides of global food safety concern in a wide range of fruits, vegetables, and other commodities by LC-MS/MS. Formulated and grouped for maximum long-term stability* and well-balanced chromatographic performance. Quantitatively tested to confirm…

  • NPI-350 Column Test Mix (8 components)

    Restek

    Compound List (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)

  • Chlorinated Acid Herbicide Mix (2 components)

    Restek

    Compound List 2,4-Dichlorophenoxyacetic acid (2,4-D) (94-75-7) 2,4,5-TP (Silvex) (93-72-1)

  • VeriSpec™ Organic Standards, 9 Components

    Ricca Chemical

    VeriSpec™ Organic Standards 200 ppm: Aromatic Halocarbons Mixture 9 Components in Methanol EPA 502 ISO 17025/Guide 34 24 Month Shelf Life Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

  • Nucleosil® 120-5

    GFS Chemicals

    Unmodified, spherical silica. 120 angstrom pore size, 5 micron particle size.

  • Residual Solvents Class 2 - Mix A (15 components)

    Restek

    Compound List Acetonitrile (75-05-8), 2.05 mg/mL Chlorobenzene (108-90-7), 1.80 mg/mL Cyclohexane (110-82-7), 19.40 mg/mL cis-1,2-Dichloroethene (156-59-2), 4.70 mg/mL trans-1,2-Dichloroethene (156-60-5), 4.70 mg/mL 1,4-Dioxane (123-91-1), 1.90 mg/mL Ethylbenzene (100-41-4), 1.84 mg/mL Methanol…

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