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

  • 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

  • "Arsenic Standard for ICP, TraceCERT®, 1000 mg/L As in nitric acid"

    MilliporeSigma

    General description: This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO Guide 34 . This CRM is traceable to SI unit kg and measured against NIST- and BAM-CRM. Certified content incl. uncertainty and expiry date are given on label.…

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

    Labchem

  • AW Standard Super-Cel® NF,

    MilliporeSigma

    Synonyms: Diatomaceous earth, calcined CAS No.: 91053-39-3 Application: Suitable for most filtrations Preparation Note: Acid washed Quality: Free of organic matter Legal Information: Super Cel is a registered trademark of Celite Corp. Packaging: 1 kg in poly drum Packaging: …

  • 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:…

  • ICP Analytes B 2%HNO3 100mL

    SPEX CertiPrep

  • L-Aspartic acid

    bioWORLD

    Synonym: ( S )-(+)-Aminosuccinic acid, (S)-Aminobutanedioic acid High Purity Grade Specific rotation (4%, 6N HCL): +24.5º to +26.0º Moisture (105ºC, 3hr): <0.2% Ammonia: <0.020% Chloride: <0.021% Sulfate: <0.028% Heavy metals (as Pb):…

  • SUPELCO ASTM® D5307 Crude oil internal standard, (equal weights of the…

    MilliporeSigma

    Other Notes: Equal weights of the hydrocarbons listed. Add to the crude oil sample as the internal standard. Legal Information: ASTM is a registered trademark of American Society for Testing and Materials

  • Arsenic ICP/Std 10000ppm 100mL

    SPEX CertiPrep

  • SUPELCO ASTM® D5307 Crude oil quantitative standard, 6.25 % (w/w) each component…

    MilliporeSigma

    Other Notes: Equal weights of the hydrocarbons listed. Use to determine detector response factors (slight warming of mixture may be necessary to dissolve all components completely.) Legal Information: ASTM is a registered trademark of American Society for Testing and Materials

  • Arsenic3 2-5%HCL 1000ppm 100mL

    SPEX CertiPrep

  • 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…

  • FLUKA HYDRANAL®-Coulomat Oil, reagent for coulometric KF titration in oils …

    Honeywell

    Application: To be used with: see related products General description: Visit our HYDRANAL center to learn more. Legal Information: HYDRANAL is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH Included Fees: C990Q88 has a Small Barrier Pack Fee included in the price. To…

  • Cobalt 1000 ppm Standard Solution

    GFS Chemicals

    AA or colorimetric standard

  • 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

  • Agarose IV

    bioWORLD

  • 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…

  • Agarose low gelling temperature

    bioWORLD

    Low temperature gelling agarose is plant tissue culture tested. Supports or facilitates plant growth and/or shoot proliferation in two or more plant tissue cultures. Gel Strength(1.5%) >550gm/cm2 Gel Temperature(1%) <30°C Electroendosmosis(EEO): 0.1 Appearance:…

  • 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:…

  • 1000 ppm Arsenic for ICP

    Inorganic Ventures

    Inorganic Ventures' 1000 ppm Arsenic for ICP 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 . …

  • Ammonium sulfate

    bioWORLD

    It is used largely as an artificial fertilizer for alkaline soils. In the soil the ammonium ion is released and forms a small amount of acid, lowering the pH balance of the soil , while contributing essential nitrogen for plant growth. It is also used as an agricultural spray adjuvant for water…

  • 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: …

  • 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…

  • Anion Multi-Element Standard I ... B (F-), (Po43-), (Br-) = 1000 mg/L (Naf,…

    MilliporeSigma

    pH: 5.3 (H2O, 20°C) Solubility: (20°C) soluble Density: 1.00 g/cm3 (20°C) Ignition Point: 5.3 (H2O, 20°C)

  • Assurance Grade Calcium Standard

    SPEX CertiPrep

    Matrix: 2% HNO3

  • Ammonia Standard

    Ricca Chemical

  • Silver 1,000 ppm Standard Solution

    GFS Chemicals

    AA, colorimetric or volumetric standard

  • Assurance Grade Quality Control Standard 7

    SPEX CertiPrep

    Matrix: 5% HNO3 / tr F

  • 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

  • 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. hydrofluoric acid) matrix for stability. This antimony standard is Traceable to NIST and manufactured in accordance with our stringent Quality Assurance guidelines. One year Expiration…

  • Anion Calibration Standard

    Inorganic Ventures

    Inorganic Ventures' Anion Calibration Standard is a 125 mL 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 . Size: …

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