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119780 Chromate standard solution

traceable to SRM of NIST K₂CrO₄ in H₂O 1000 mg/L CrO₄ Certipur®

Chromate standard solution MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Chromate standard for aqueous matrices ready foruse, Nota 1 A

119780
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      Description
      Catalogue Number119780
      SynonymsChromate standard for aqueous matrices ready foruse, Nota 1 A
      Product Information
      HS Code2841 50 00
      Quality LevelMQ100
      Physicochemical Information
      Density1.0 g/cm3 (20 °C)
      pH value7 (H₂O, 20 °C)
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Statement(s)H340: May cause genetic defects.
      H350i: May cause cancer by inhalation.
      Precautionary Statement(s)P201: Obtain special instructions before use.
      P202: Do not handle until all safety precautions have been read and understood.
      P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
      P308 + P313: IF exposed or concerned: Get medical advice/ attention.
      P405: Store locked up.
      P501: Dispose of contents/ container to an approved waste disposal plant.
      Signal WordDanger
      Storage class6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
      WGKWGK 1 slightly hazardous to water
      Safety Information
      Categories of dangerdangerous for the environment
      Storage and Shipping Information
      StorageStore at +15°C to +25°C.
      Specifications
      Concentration     β (CrO₄²⁻)990 - 1010 mg/l
      Determination method: Iodometric titration.
      The content of this solution was determined with sodium thiosulfate standard solution (article number 1.09147) standardized against volumetric standard potassium iodate (article number 1.02404). The expanded measurement uncertainty is ± 0.4 % (k=2 coverage factor for 95% coverage probability). The certified value is traceable to primary standard NIST SRM 136f (NIST: National Institute of Standards and Technology, USA) by means of volumetric standard potassium iodate, measured in the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.
      Global Trade Item Number
      Catalogue Number GTIN
      1197800500 04022536180540