Standards, A

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Standards, A

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  • Activated charcoal acid washed

    bioWORLD

    High-purity carbon, especially useful for minimizing contamination in products. Supports or facilitates plant growth and/or shoot proliferation in two or more plant tissue cultures. This charcoal is plant tissue tested. Appearance: Grey solid Density : 1.8-2.1g/cm3 Oxidation_State: 4,3,2,1,0,-1,-2,-3,-4

  • Atomic Absorption Single Element Standards

    SCP Science

    Popular standards are available for Flame and Graphite Furnace Atomic Absorption. Each standard includes a detailed Certificate of Analysis and direct traceability to NIST. Certificate of Analysis with actual matrix, actual concentration, and traceability to NIST 3100 Series Standards 2…

  • Ammonia Standard

    Ricca Chemical

  • Silver Nitrate, Solution, 0.10 N

    GFS Chemicals

    0.1 mol/L

  • Aroclor Solutions

    Restek

    Certified reference materials (CRMs) manufactured and QC-tested in Restek’s ISO-accredited labs satisfy your ISO requirements. Aroclor standards may exhibit lot-to-lot variation.

  • AMCO Clear® Turbidity Standard, 5.0 NTU for Hach 2100N/AN Instruments

    GFS Chemicals

    Turbidity (on Hach 2100 N/AN and IS) 5.0 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Baseline Material

  • ANB-NOS (N-5-azido-2-nitrobenzoyl

    bioWORLD

    A nitrate-containing, aryl azide-based, amine- and photoreactive crosslinker. Photoreactive Primary amine reactive Photoylsis 320-350 nm Appearance: Yellow Powder Melting Point: 131-133°C

  • AMCO Clear® Calibration Kit, for Hach 2100N/AN Instruments

    GFS Chemicals

    Kit contains 0.0, 20, 200, 1000 and 4000 NTU standards required to calibrate the Hach 2100N/AN instruments. The deluxe kit also contains sealed secondary standards of each value.

  • Manganese 1,000 ppm Standard Solution

    GFS Chemicals

    AA, colorimetric or volumetric standard

  • AMCO Clear® Turbidity Standard, 1800 NTU for Hach 43900XR

    GFS Chemicals

    Test Turbidity (on Hach 43900/XR) 1800 NTU +/- 18 Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material

  • Amco Clear® Calibration Kit, for HF Micro TPI Instrument

    GFS Chemicals

    Kit contains 0.0, 10, 100 and 1000 NTU standards required to calibrate the HF Micro TPI instrument. The deluxe kit also contains sealed secondary standards of each value.

  • Cobalt 1000 ppm Standard Solution

    GFS Chemicals

    AA or colorimetric standard

  • Agar, Phytoagar

    bioWORLD

    Free of extra salts that are often present in many agar preparations and affect plant growth. Gel Strength: 950 g/cm 2 Working Concentration: 5−7 g/L Gelling Temperature: 38°C Moisture: 10.92% Ash Content: 1.2% Swelling Index: 9.0 mL Water Absorption:…

  • ADA, Sodium Salt

    bioWORLD

    A zwitterionic buffer used in biological applications including protein isolation and characterization. Synonym: N-(2-Acetamido)iminodiacetic acid monosodium salt. Loss on drying: ≤2.0% Heavy metals (pb): ≤5ppm Appearance: Powder PH Value: 6.0 - 7.2

  • 1000 ppm Ammonium for IC

    Inorganic Ventures

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

  • Acrolein and Acrylonitrile in Methanol P&T

    SPEX CertiPrep

    Matrix: Methanol-P&T

  • Ammonium phosphate, monobasic

    bioWORLD

    It is formed when a solution of phosphoric acid is added to ammonia until the solution is distinctly acidic. It is often used in the blending of dry agricultural fertilizers. It supplies soil with the elements nitrogen and phosphorus in a form which is usable by plants. The compound is also a…

  • Ammonium 1000 ppm Standard Solution

    GFS Chemicals

    IC, colorimetric or volumetric standard

  • Amco Clear® Calibration Kit, for HF Micro 1000 White Light

    GFS Chemicals

    Kit contains 0.0, 10, 100 and 1750 NTU standards required to calibrate the HF Micro 1000 white lightinstrument. The deluxe kit also contains sealed secondary standards of each value.

  • Assurance Grade Silicon Standard

    SPEX CertiPrep

    Matrix: H2O / 0.24 F

  • Anion Multi-Element Standard II ß(Cl-),(NO3-),(So4--)=1000 mg/L, (Nacl, Nano3,…

    MilliporeSigma

    pH: 6 (H2O, 20°C) Density: 1.002 g/cm3 (20°C) Ignition Point: 6 (H2O, 20°C)

  • "Alkane Standard Mixture for performance tests of GC-systems, C10; C20 - C40 …

    MilliporeSigma

    Density: 0.684 g/mL at 20 °C Components: contains C 10 and all even n-alkanes from C 20 to C 40, 50 mg/l in n-heptane each

  • Acrolein

    Restek

    • Compound: acrolein • CAS #:107-02-8 • Conc. in Solvent and Volume: 5,000 µg/mL in P&T methanol, 1 mL/ampul This product has a limited shelf life. We recommend that you order only the ampul quantity that meets your immediate needs.

  • L-Ascorbic acid, Vitamin C

    bioWORLD

    Synonym: L-Threoascorbic acid, Antiscorbutic factor, Vitamin C A calcium channel inhibitor USP Grade Ash: <0.01% Heavy metals (as Pb): <0.002% Iron: <0.001% Specific rotation (4%, 6M HCL): +20.5 to +21.5° Acidity: 4.10 Appearance: White or light…

  • Agarose IV

    bioWORLD

  • L-Alanine

    bioWORLD

    Synonym: ( S )-2-Aminopropionic acid, L-α-Aminopropionic acid Utilized in clinical nutrition Used as an ingredient for pharmaceutical products such as therapeutics for prostate hypertrophy. Used for cell culture. Utilized to enrich nutrition in health foods and drinks in…

  • Amco Clear® Turbidity Standard, 100 NTU

    GFS Chemicals

    Test Turbidity 100 NTU Absorbance at 455nm (10mm pathlength) Lot Number of Baseline Material  

  • Assurance Grade Phosphorus Standard

    SPEX CertiPrep

    Matrix: H2O

  • 1000 ppm Acetate for IC

    Inorganic Ventures

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

  • Anion Standard - Nitrate

    AccuStandard

    Water

  • 1000 ppm Arsenic+5 for ICP

    Inorganic Ventures

    Inorganic Ventures' 1000 ppm Arsenic+5 for ICP is a certified reference material set in a water matrix for stability. This arsenic+5 standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . Size: …

  • 1000 ppm Ammonium-Nitrogen for IC

    Inorganic Ventures

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

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