Standards, A

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  • Ammonia Standard

    Ricca Chemical

  • Amco Clear® Calibration Kit, for HF Micro 100

    GFS Chemicals

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

  • Amco Clear® Turbidity Standard, 0.2 NTU

    GFS Chemicals

    For all EPA 180.1 turbidimeters

  • Amco Clear® Turbidity Standard, 100 NTU

    GFS Chemicals

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

  • 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:…

  • Anion Standard - Nitrate

    AccuStandard

    Water

  • Ammonia (as Nitrogen) Standard

    Labchem

    Product Size: 500ML CAS Number: 12125-02-9 Shelf Life (Months): 24 Container: Poly Bottle Traceable to NIST: No Refrigerated? : No DEA Registration Required? : No Hazard? : No Hazard Class: (none specified) Hazard Subrisk: (none specified) UN Number: (none…

  • Potassium Dichromate, 0.1 N Solution

    GFS Chemicals

    0.0167 mol/L

  • 10,000 ppm Aluminum for ICP

    Inorganic Ventures

    Inorganic Ventures' 10,000 ppm Aluminum for ICP is a certified reference material set in a nitric acid matrix for stability. This aluminum standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

  • Arsenic ICP, 10K ppm in HNO3

    Ricca Chemical

  • Aluminum ICP, 10Kppm in HCl

    Ricca Chemical

  • 1000 ppm Aluminum for ICP

    Inorganic Ventures

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

  • Agarose III

    bioWORLD

    Exceptional agarose for pulsed-field gel electrophoresis (PFGE), the low EEO and high gel strength enable the preparation of low concentration gels for the resolution of large (>20 kb) DNA fragments. Ideal for Large Fragment (LF) separation Recommended for use with TAE buffer. Gel…

  • Lead 1,000 ppm Standard Solution

    GFS Chemicals

    AA, colorimetric or volumetric standard

  • 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…

  • L-Arginine

    bioWORLD

    Synonym: ( S )-2-Amino-5-guanidinopentanoic acid A precursor of nitric oxide synthesis that induces vasodilation Appearance: White crystalline powder Boiling Point : ~367.6°C at 760 mmHg (Predicted) Density : 1.46 g/cm3 HS Code : 29252000 IUPAC_Name:…

  • 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

  • AMMONIA (as NITROGEN) STANDARD, 1000ppm (as N)

    Labchem

  • Silver Nitrate, Solution, 0.10 N

    GFS Chemicals

    0.1 mol/L

  • VeriSpec™ Acetate - CH3COO- Standard for Ion Chromatography, 1g/L in H2O

    Ricca Chemical

    Matrix: H2O Min: >= 995 Max: =< 1005 ppm Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility

  • Ammonium Molybdate(VI),Tetrahydrate

    bioWORLD

    Compound used in cryo-negative staining and is also used as an analgesic. Appearance: White crystalline powder Density: 2.50 g/cm3 at 25 ¡ãC HS Code: 28417000 Melting Point: 190ºC RTECS Number: QA5076000

  • Agarose 3:1 high resolution blend

    bioWORLD

  • 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)

  • 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

  • AMCO Clear® Turbidity Standard, 1.8 NTU for Hach Ratio Instruments

    GFS Chemicals

    Test Turbidity (on Hach 18900) 1.8 NTU Absorbance at 455nm (100mm pathlength) Lot Number of Basline Material

  • Cadmium 1000 ppm Standard Solution

    GFS Chemicals

    AA or colorimetric standard

  • 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.

  • 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

  • L-Asparagine

    bioWORLD

    Synonym: ( S )-2-Aminosuccinic acid 4-amide, L-Aspartic acid 4-amide Anhydrous Appearance: White Crystalline Powder Density : 1.543 g/cm3 HS Code : 29241900 IUPAC_Name: Asparagine Melting Point: 235°C

  • 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 Acetate

    bioWORLD

    Being the salt of a weak acid and a weak base, ammonium acetate has a number of distinctive properties. It is occasionally employed as a biodegradable de-icing agent. It is often used with acetic acid to create a buffer solution, one that can be thermally decomposed to non-ionic products. It is…

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