Standards, A

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  • 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…

  • Amco Clear® Turbidity Standard, 100 NTU

    GFS Chemicals

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

  • APA6000 Alkalinity Standard 2, 500 mg/L

    Hach

    The APA6000 Alkalinity Process analyzer uses five reagents each of which is supplied in a 1L bottle designed to provide reagents for 30 days of continuous use. APA Alkalinity Reagent 1 (2826153) is an acid titrant that reacts with the alkalinity in the sample. APA Alkalinity Reagent 2 (2696653) is…

  • Orion Ammonia Standard, 100ppm As N, 475 ml

    Thermo Scientific Orion

    Ammonia standard for use with ion selective electrodes. 100 ppm concentration 475 mL bottle

  • Anthracene 1mL

    SPEX CertiPrep

  • APA6000 Alkalinity Standard 1, Zero Standard

    Hach

    The APA6000 Alkalinity Process analyzer uses five reagents each of which is supplied in a 1L bottle designed to provide reagents for 30 days of continuous use. APA Alkalinity Reagent 1 (2826153) is an acid titrant that reacts with the alkalinity in the sample. APA Alkalinity Reagent 2…

  • Acrolein 1mL

    SPEX CertiPrep

  • Acrylonitrile 1mL

    SPEX CertiPrep

  • 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)

  • Acid Dissolution Reagent 4

    Inorganic Ventures

    Inorganic Ventures' Acid Dissolution Reagent 4 is a 500 mL reagent set in a water matrix for stability. This reagent uses high-purity starting materials and is manufactured in accordance with our stringent Quality Assurance guidelines. This product does not have an expiration date. …

  • Agarose IV

    bioWORLD

  • Agarose I tablets

    bioWORLD

    Save time and labor preparing agarose gels for electrophoresis of nucleic acids. Just place the required numbers of tablets into a standard buffer, then mix and heat until completely dissolved. Gel Strength, 1.5% >1200b/cm2 Gelling Range: 36-39°C Melting Temp:…

  • 1000 ppm Acrylamide 1mL

    SPEX CertiPrep

  • Anion Mix 5

    Inorganic Ventures

    Inorganic Ventures' IC (Ion Chromatography) Calibration Standard is a certified reference material set in a water matrix for stability. This standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration Date . …

  • 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…

  • Aluminum 1000 ppm Standard Solution

    GFS Chemicals

    AA or colorimetric standard.

  • 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

  • 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:…

  • 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

  • Acephate 1mL

    SPEX CertiPrep

  • Acrolein/Acrylonitrile 1mL

    SPEX CertiPrep

  • Ammonia Standard

    Ricca Chemical

  • 100µg/mL Silver in 2% HNO3

    High Purity Standards

    100 µg/mL Silver in 2% HNO3 12 Month Expiry Date This standard is traceable to NIST and certified to Guide 34 and 17025

  • ARSENIC STANDARD

    MilliporeSigma

  • Acrolein and Acrylonitrile in Methanol P&T

    SPEX CertiPrep

    Matrix: Methanol-P&T

  • Acrylonitrile Standard

    Ultra Scientific

    1 Analyte(s) @ 1000 µg/mL in methanol.

  • 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…

  • Amco Clear® Turbidity Standard, 0.2 NTU

    GFS Chemicals

    For all EPA 180.1 turbidimeters

  • "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

  • 1000 ppm Antimony for ICP

    Inorganic Ventures

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

  • Agarose high gelling temperature

    bioWORLD

    It is used for analysis of nucleic acids by gel electrophoresis or blotting (Northern or Southern) and is also suitable for protein applications such as Ouchterlony and radial immunodiffusion (RID). Supports or facilitates plant growth and/or shoot proliferation in two or more plant tissue…

  • Acetaminophen, pharmaceutical secondary standard; traceable to USP, PhEur and BP

    MilliporeSigma

    Synonyms: 4′-Hydroxyacetanilide; 4-Acetamidophenol; N -(4-Hydroxyphenyl)acetamide; N -Acetyl-4-aminophenol; APAP; Paracetamol Formula: CH3CONHC6H4OH Formula Weight: 151.16 CAS No.: 103-90-2 Application: Analgesic. General…

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