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Standards, A

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  • 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

  • Amco Clear® Turbidity Standard, 100 NTU

    GFS Chemicals

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

  • Boron 1000 ppm Standard Solution

    GFS Chemicals

    AA, colorimetric or gravimetric standard

  • 1000 ppm Arsenic for AA

    Inorganic Ventures

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

  • 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.

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

    GFS Chemicals

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

  • Ammonium phosphate, dibasic

    bioWORLD

    It is used as Fertilizer, fire retardant, yeast nutrient in winemaking and brewing mead. DAP is also used as a yeast nutrient in winemaking and brewing mead; It is also used as an additive in some brands of cigarettes purportedly as a nicotine enhancer; to prevent afterglow in matches, in purifying…

  • Assurance Grade Copper Standard

    SPEX CertiPrep

    Matrix: 2% HNO3

  • Aldehyde-Ketone-DNPH TO-11A Calibration Mix

    Restek

    Carbonyl compounds, including low molecular weight aldehydes and ketones, are receiving increased attention by the regulatory community. Formaldehyde in automobile exhaust accounts for 50-70 percent of the total atmospheric carbonyl burden. Furthermore, motor vehicles emit reactive hydrocarbons…

  • 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 . …

  • Alachlor 1mL

    SPEX CertiPrep

  • 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 . …

  • Ammonia Standard

    Ricca Chemical

  • 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

  • Arsenic Standard, 10 ppm As

    Ricca Chemical

  • 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

  • Acetic Acid 1mL

    SPEX CertiPrep

  • Acid Extractables 5.2mL

    SPEX CertiPrep

  • APHA 500

    GFS Chemicals

  • Assurance Grade Iron Standard

    SPEX CertiPrep

    Matrix: 2% HNO3

  • Acetonitrile 1mL

    SPEX CertiPrep

  • Ammonium carbonate

    bioWORLD

    It is a commercial salt,used when crushed as a smelling salt. It is mainly used as a leavening agent in traditional recipes, particularly those from northern Europe and Scandinavia. It can sometimes be substituted with baking powder. Ammonium carbonate can spontaneously decompose into ammonium…

  • 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…

  • Azoxystrobin 1mL

    SPEX CertiPrep

  • Assurance Grade Lab Performance Check Std, w/o Hg

    SPEX CertiPrep

    Matrix: 5% HNO3 / tr Tart. Acid / tr H

  • Ammonium Standard Solution Traceable To SRM From NIST NH4Cl In H2O 1000 mg/L NH4…

    EMD Millipore

    pH: 5.4 (H2O, 20°C) Solubility: (20°C) soluble Density: 0.99 g/cm3 (20°C) Ignition Point: 5.4 (H2O, 20°C)

  • 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.

  • Amco Clear® Turbidity Standard, 0.2 NTU

    GFS Chemicals

    For all EPA 180.1 turbidimeters

  • Analyte Mix 1mL

    SPEX CertiPrep

  • Aspergillus brasiliensis ATCC® 16404 Vitroids™ 80 CFU

    Sigma-Aldrich

    Synonym: Aspergillus brasiliensis ATCC® 16404 RapidCheck™ 80 CFU, Aspergillus niger ATCC® 16404 Vitroids™ 80 CFU General description This certified reference material (CRM) is produced and certified in accordance with ISO Guide 34:2009 and ISO/IEC 17025:2005. All…

  • Assurance Grade Calcium Standard

    SPEX CertiPrep

    Matrix: 2% HNO3

  • Aroclor 1016 in Hexane 1000ppm

    SPEX CertiPrep

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