Chromatography Reagents

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Restek Reagents, C Chromatography Reagents

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  • Exempted Drug of Abuse Reference Standards

    Restek

    Note: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40°C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request.

  • USP <467> Singles

    Restek

    The United States Pharmacopeia (USP) General Chapter <467> Residual Solvents is a widely used compendial method intended for identifying and quantifying residual solvents in drug substances, drug products, and excipients. In an attempt to better mirror the International Conference on…

  • Silylation Derivatization Reagents

    Restek

    Replace active hydrogen, reducing polarity and making the compounds more volatile. Increase stability of derivatives.

  • Single-Component Explosives Solutions

    Restek

    These materials support nitroaromatic, nitramine, and nitroester analyses by GC-ECD (Method 8095). 1 , 2 Compounds listed are explosives, manufacturing intermediates, or degradation products. Method 8095 mixtures contain the components at concentration ratios appropriate for ECD. Supports…

  • Internal Standards and Surrogates for Method 552

    Restek

    Internal Standard: cat.# 31648 Surrogates for Method 552, 552.1: cat.#'s 31650, 31652, 31649, 31651 Surrogates for Method 552.2: cat.#'s 31653, 31655, 31656 Surrogates for Method 552.3: cat.#'s 31881, 31882

  • Caffeine

    Restek

    Compound List Caffeine (58-08-2)

  • (s)-(-)-1,2,4-Butanetriol

    Restek

    Compound List (s)-(-)-1,2,4-Butanetriol (42890-76-6)

  • 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…

  • QuEChERS Single-Component Reference Standards

    Restek

    Ready to use for QuEChERS extractions—no dilutions necessary.

  • PCB Congeners

    Restek

  • Acylation Derivatization Reagents

    Restek

    Most commonly used for electron capture detection. React with alcohols, amines, and phenols. Frequently used for drugs of abuse confirmation.

  • Single-Component Oxygenates

    Restek

  • EPA 524.3 Reference Standards

    Restek

    Full 82-component EPA 524.3 list using as few as three ampuls—reduce prep time and chances for error or contamination. EPA 524.3 VOA MegaMix ampul includes oxygenates group—no need to order separately. Volatile gases prepared separately—replace shorter-life components…

  • Labeled Pesticide Residue Internal Standards for Food Analysis

    Restek

    Isotopically labeled to provide the best approach for pesticide residue quantification. Multiple options let you choose internal and surrogate standards that will mitigate matrix effects. Economically priced and compatible with both LC-MS and GC-MS applications; even helpful for optimizing…

  • 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…

  • Isocyanates Singles

    Restek

    ASTM D5836 and OSHA 42 are test methods for determining 2,4-toluene diisocyanate (2,4-TDI) and 2,6-TDI in the workplace atmosphere. OSHA 47 is for 4,4'-methylenediphenyl isocyanate (4,4'-MDI) in indoor air, and NIOSH Method 5522 is for 2,4-TDI; 2,6-TDI; 4,4'-MDI; and 1,6-hexamethylene…

  • Kerosene (ASTM Class 4 Accelerant)

    Restek

    Prepared from a single source (one refinery) product. The weathered materials indicate the percent weight loss from the original material. Compound List Kerosene (84742-81-0)

  • SV Internal Standard Mix (6 components)

    Restek

    US Environmental Protection Agency (EPA) Method 8270D outlines the analysis of semivolatile organic pollutants in solid waste, soil, water, and air matrices, using gas chromatography/mass spectrometry (GC/MS). Update IVA of the third edition of SW-846—Test Methods for Evaluating Solid Waste,…

  • Diesel Fuel #2 (ASTM Class 5 Accelerant)

    Restek

    Prepared from a single source (one refinery) product. The weathered materials indicate the percent weight loss from the original material. Compound List Diesel fuel #2 (68334-30-5)

  • Unleaded Gasoline (ASTM Class 2 Accelerant)

    Restek

    Prepared from a single source (one refinery) product. The weathered materials indicate the percent weight loss from the original material. Compound List Unleaded gasoline (8006-61-9)

  • Revised B/N Surrogate Mix (4 components)

    Restek

    Compound List 2-Fluorobiphenyl (321-60-8) Nitrobenzene-d5 (4165-60-0) p-Terphenyl-d14 (1718-51-0) Pyrene-d10 (1718-52-1)

  • 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)

  • B/N Surrogate Mix (4/89 SOW) (3 components)

    Restek

    Compound List 2-Fluorobiphenyl (321-60-8) Nitrobenzene-d5 (4165-60-0) p-Terphenyl-d14 (1718-51-0)

  • Aroclor Solutions

    Restek

    Aroclor standards may exhibit lot-to-lot variation.

  • EtG and EtS Standards

    Restek

    • Alcohol metabolite biomarkers for monitoring alcohol consumption in urine samples. • Available as unlabeled standards for instrument calibration and as deuterated internal standards for sample analysis. • Verified composition and stability.

  • ASTM D3606 Quality Control Standard with sec-Butanol Internal Standard (3…

    Restek

    Compound List Benzene (71-43-2), 0.6432% vol/vol 2-Butanol (sec-butyl alcohol) (78-92-2), 4% vol/vol Toluene (108-88-3), 4.8% vol/vol

  • DNPH Reference Materials

    Restek

    *The reported concentrations reflect the amount of aldehyde or ketone in the mixture. The concentration of derivatized aldehyde or ketone is not reported.

  • Polywax Standards

    Restek

    Supports ASTM Methods D2887, D6352, D7169, D7398, and D7500. These high molecular weight hydrocarbon waxes are useful for simulated distillation and other high-temperature GC work.

  • GC Multiresidue Pesticide Kit

    Restek

    Accurately identify and quantify pesticide residues by GC-MS/MS in fruits, vegetables, botanicals, and herbals such as tea, ginseng, ginger, echinacea, and dietary supplements. Comprehensive 203-compound kit covers food safety lists by the FDA, USDA, and other global governmental agencies;…

  • 8270 Matrix Spike Mix (76 components)

    Restek

    Compound List Acenaphthene (83-32-9) Acenaphthylene (208-96-8) Aniline (62-53-3) Anthracene (120-12-7) Azobenzene (103-33-3)* Benz(a)anthracene (56-55-3) Benzo(a)pyrene (50-32-8) Benzo(b)fluoranthene (205-99-2) Benzo(ghi)perylene (191-24-2) Benzo(k)fluoranthene…

  • NLEA FAME Mix (28 components)

    Restek

    Compound List Chain, Compound (CAS#), % by Weight C4:0 Methyl butyrate (632-42-7), 1.5% C6:0 Methyl hexanoate (106-70-7), 1.5% C8:0 Methyl octanoate (111-11-5), 2% C10:0 Methyl decanoate (1110-42-9), 2.5% C11:0 Methyl undecanoate (1731-86-8), 2.5% C12:0 Methyl laurate (111-82-0), 5% C13:0 Methyl…

  • BAC Resolution Control Standard t-B (6 components)

    Restek

    Use to verify the retention time for each compound normally included in a blood alcohol test, and to verify that the compounds are resolved from and do not interfere with one another. Includes tert-butanol internal standard. Intended for qualitative use only. Compound List Acetaldehyde…

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