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Merck - 1197800500 - Chromate standard solution

  • MFR SKU: 1197800500
  • ITEM #: 7159083
  • 0 Reviews / 0 Questions
$82.95
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ITEM #: 7159083
traceable to SRM of NIST KCrO in HO 1000 mg/L CrO Certipur®
This listing is for 500 ml Plastic bottle

Merck - 1197800500 - Chromate standard solution

  • Item #: 7159083
  • MFR SKU: 1197800500
  • Catalogue Number 119780
  • Synonyms Chromate standard for aqueous matrices ready foruse, Nota 1 A
  • HS Code 2841 50 00
  • Quality Level MQ100
  • Density 1.0 g/cm3 (20 ° C)
  • pH value 7 (HO, 20 ° C)
  • 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 Word Danger
  • Storage class 6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
  • WGK WGK 1 slightly hazardous to water
  • Categories of danger dangerous for the environment
  • Storage Store at +15° C to +25° C.
  • Concentrationβ (CrO²) 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 KGaA, Darmstadt, Germany in accordance to DIN EN ISO/IEC 17025.

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