Sigma-Aldrich

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  • EPA 8270 LCS Mix, High Concentration 200 µg/mL each component in methanol:…

    Sigma-Aldrich

    Features and Benefits Our LCS Spike mix has been formulated to increase analyte stability (including anilines and benzidines) while still providing for a water-soluble matrix. Additional measures undertaken to ensure stability include manufacturing under actinic lights, blanketing with an inert…

  • FLUKA Lithium Standard for IC, TraceCERT®, 1000 mg/L Li+ in nitric acid

    Sigma-Aldrich

    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 SRM. Certified content incl. uncertainty and expiry date are given on label. Download your…

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