Standards, D

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Standards, D

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  • 24 Component Mix in Dimethyl Sulfoxide

    SPEX CertiPrep

    While the legalization of cannabis, for both medicinal and recreational purposes, has been gaining speed, legislation and regulation has not necessarily kept pace. Even so, out of a drive for self-regulation and significant consumer safety concerns, many producers and manufacturers are turning to…

  • "Density Standard 998 kg/m3, H&D Fitzgerald Ltd. Quality"

    MilliporeSigma

    Synonyms: Water Formula: H2O Formula Weight: 18.02 CAS No.: 7732-18-5 Density: 1.000 g/mL at 3.98 °C(lit.)

  • Dionex™ Perchlorate-ISTD

    Thermo Scientific

    The Thermo Scientific™ Dionex™ Perchlorate-ISTD is used in quantitation methods.

  • Dibromoethane 1000ppm 1mL

    SPEX CertiPrep

  • Dextran

    bioWORLD

    A multi-use, branched glucan Reagent Grade Moisture: <3.0% Residue upon ignition: <1.0% Specific Rotation: +187 to +191 Appearance: Solid PH Value: pH (6%, water): 5.5%

  • Dibenz(ah)anthracene 1mL

    SPEX CertiPrep

  • Didymium Oxide Wavelength Calibration Standard

    GFS Chemicals

    Didymium oxide (4%) in 10% v/v perchloric acid. Sealed in a far UV quartz cell for wavelength scale accuracy. For both UV and visible region of the spectrum.

  • Diazald® 99%

    MilliporeSigma

    Assay:  99% MP: 61-62 °C (lit.)

  • Dieldrin 1mL

    SPEX CertiPrep

  • P,P-DDE 1mL

    SPEX CertiPrep

  • P,P-DDT 1mL

    SPEX CertiPrep

  • 1,4-Dioxane

    Restek

    2,000 μg/mL in P&T methanol

  • n-Decane 1mL

    SPEX CertiPrep

  • Diethyl sulfate 1000ppm 1mL

    SPEX CertiPrep

  • DISODIUM EDTA, Primary Standard

    GFS Chemicals

    Complexing agent used to determine many metal ions by titration

  • Diesel Fuel #2 Composite Standard

    Restek

    CAS #: 68334-30-5 Conc. in Solvent and Volume: 50,000 µg/mL in methylene chloride, 1 mL/ampul

  • 1,4-Dioxane-d8 1mL

    SPEX CertiPrep

  • Disinfectant by-products

    AccuStandard

    Matrix: 5.0 mg/mL in Acetone Number of Components: 8

  • Dimethylpolysiloxane 1mL

    SPEX CertiPrep

  • Dipropylene Glycol 1mL

    SPEX CertiPrep

  • Dextran sulfate

    bioWORLD

    A glycosaminoglycan that acts as a precipitant for high density lipo- proteins (HDLs). Used in hybridization protocols where it effectively increases the probe concentration accelerating the rate of annealing. Ultra Pure Grade Moisture: <10.0% Heavy metals (as Pb): <0.005% …

  • Dimethyl sulfoxide-d6 1mL

    SPEX CertiPrep

  • Diethyl sulfide 1000ppm 1mL

    SPEX CertiPrep

  • Dicrotophos 1000ppm 1mL

    SPEX CertiPrep

  • Dioxacarb (1000UG/mL) 1mL

    SPEX CertiPrep

  • DEPC (Diethyl pyrocarbonate)

    bioWORLD

    Inhibitor of nucleases used as a modification reagent for His and Tyr residues in proteins. High Purity Grade Purity (Chromatographic): >98.5% Purity (Acid assay): >97.5% Refractive Index: 1.3973 Appearance: Liquid Boiling Point: 93-94°C (lit.) at 18 mmHg …

  • Diisobutyl phthalate 1mL

    SPEX CertiPrep

  • DMPI (Dimethyl Pimelimidate2HCl)

    bioWORLD

    A homobifunctional amine-reactive crosslinker Primary amine reactive Appearance: Powder Melting Point: ~122°C (dec.)

  • 1000 ppm Dysprosium for ICP

    Inorganic Ventures

    Inorganic Ventures' 1000 ppm Dysprosium for ICP is a certified reference material set in a nitric acid matrix for stability. This dysprosium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

  • 1000 ppm Dimethylamine for IC

    Inorganic Ventures

    Inorganic Ventures' 1000 ppm Dimethylamine for IC is a certified reference material set in a hydrochloric acid matrix for stability. This dimethylamine standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

  • 1000 ppm Dysprosium for AA

    Inorganic Ventures

    Inorganic Ventures' 1000 ppm Dysprosium for AA is a certified reference material set in a nitric acid matrix for stability. This dysprosium standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

  • 1000 ppm Diethanolamine for IC

    Inorganic Ventures

    Inorganic Ventures' 1000 ppm Diethanolamine for IC is a certified reference material set in a water matrix for stability. This diethanolamine standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

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