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109118 重鉻酸鉀 溶液

109118
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1.09118.1000
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      塑膠瓶 1 l
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      Description
      Catalogue Number109118
      References
      Product Information
      HS Code2841 50 00
      Quality LevelMQ100
      Applications
      Biological Information
      Physicochemical Information
      Density1.01 g/cm3 (20 °C)
      pH value3.8 (H₂O, 20 °C)
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Hazard Pictogram(s) Hazard Pictogram(s)
      Hazard Statement(s)H340: May cause genetic defects.
      H350: May cause cancer.
      H360FD: May damage fertility. May damage the unborn child.
      H373: May cause damage to organs through prolonged or repeated exposure.
      H412: Harmful to aquatic life with long lasting effects.
      EUH208: May produce an allergic reaction.
      Precautionary Statement(s)P201: Obtain special instructions before use.
      P273: Avoid release to the environment.
      P314: Get medical advice/ attention if you feel unwell.
      Signal WordDanger
      Storage class6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects
      WGKWGK 3 highly hazardous to water
      Disposal22
      Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.
      Safety Information
      Hazard Symbols Hazard SymbolsToxic
      Categories of dangercarcinogenic, mutagenic, toxic for reproduction, harmful, dangerous for the environment
      R PhraseR 45-46-60-61-20-52/53
      May cause cancer.May cause heritable genetic damage.May impair fertility.May cause harm to the unborn child.Also harmful by inhalation.Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
      S PhraseS 53-45-61
      Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).Avoid release to the environment. Refer to special instructions/ Safety data sheets.
      Product Usage Statements
      Storage and Shipping Information
      StorageStore at +15°C to +25°C.
      Packaging Information
      Transport Information
      Supplemental Information
      Specifications
      Formliquid
      Amount-of-substance concentration0.04146 - 0.04188
      Measurement uncertainty+/- 0.00013
      TraceabilityNIST SRM
      Accreditation: This volumetric solution is certified according to DIN EN ISO/IEC 17025. Merck KGaA, Darmstadt, Germany is accredited as calibration laboratory D-K-15185-01-00 for amount-of-substance concentrations in volumetric solutions according to DIN EN ISO/IEC 17025 by DAkkS (Deutsche Akkreditierungsstelle). The accreditation certificate can be found at www.sigmaaldrich.com/ISO17025.
      The concentration is determined by volumetric titration and refers to 20°C.
      The certified value of this volumetric solution was determined with sodium thiosulfate standard solution (article number 1.09147). The sodium thiosulfate standard solution is standardized and traceable to a primary standard from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 136 potassium dichromate) by means of volumetric standard potassium iodate (article number 1.02404). This volumetric standard is certified by the accredited calibration laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO 17025. The uncertainty is expressed as expanded measurement uncertainty with a coverage factor k=2 covering a confidence level of 95%. All measurements are carried out in the calibration laboratory D-K-15185-01-00 of Merck KGaA, Darmstadt, Germany.
      Note: The titer is a correction factor to correct for variations of the volumetric solution, the titration equipment, the temperature and other laboratory conditions. For correct titration results it is recommended to determine a titer with the laboratory specific equipment and under laboratory specific conditions directly after opening a new bottle and at regular time intervals.

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      Categories

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