Sigma-Aldrich

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  • FLUKA Nickel Standard for AAS, TraceCERT®, 1000 mg/L Ni 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- and BAM-CRM. Certified content incl. uncertainty and expiry date are given on label. Download…

  • FLUKA Nickel Standard for ICP, TraceCERT®, 1000 mg/L Ni 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- and BAM-CRM. Certified content incl. uncertainty and expiry date are given on label.…

  • (-)-Nicotine =99% (GC), liquid

    Sigma-Aldrich

    Synonym: (−)-1-Methyl-2-(3-pyridyl)pyrrolidine, (S)-3-(1-Methyl-2-pyrrolidinyl)pyridine CAS Number 54-11-5 Empirical Formula (Hill Notation) C10H14N2 Molecular Weight 162.23 Beilstein Registry Number 82109 EC Number 200-193-3 MDL number MFCD00006369 PubChem…

  • Nicarbazin VETRANAL™, analytical standard

    Sigma-Aldrich

    Synonym: N,N′ -bis(4-Nitrophenyl)urea compound with 4,6-dimethyl-2-pyrimidinone CAS Number: 330-95-0 Empirical Formula (Hill Notation): C13H10.N4O5 · C6H8N2O Molecular Weight: 426.38 …

  • FLUKA Nitrite ion standard solution, 0.1 M NO2-, for ion-selective electrodes

    Sigma-Aldrich

    Synonyms: Sodium nitrite solution Formula: NaNO2 Formula Weight: 69.00 CAS No.: 7632-00-0 Density: 1.00 g/mL at 20 °C Storage Temperature: 2-8°C General description: Visit our Sensor Applications portal to learn more. Preparation Note: prepared with NaNO 2 and H…

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