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Merck - 1049070500 - Potassium Bromide Spectro Uvasol 500g

  • MFR SKU: 1049070500
  • ITEM #: 6309643
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ITEM #: 6309643
Potassium bromide is transparent from the near UV to long wave IR wavelengths. In IR-spectroscopy, solid samples which are difficult to melt or dissolve in any suitable IR-transmitting solvent, are analyzed by grinding with Potassium bromide powder, and pressing into a disc. This procedure has a high quality demand of the used potassium bromide. Potassium bromide Uvasol is adjusted to a mean particle size of 150 μm. This is sufficient for the preparation of perfectly good pellets without the...
ITEM #: 6309643
Potassium bromide is transparent from the near UV to long wave IR wavelengths. In IR-spectroscopy, solid samples which are difficult to melt or dissolve in any suitable IR-transmitting solvent, are analyzed by grinding with Potassium bromide powder, and pressing into a disc. This procedure has a high quality demand of the used potassium bromide. Potassium bromide Uvasol is adjusted to a mean particle size of 150 μm. This is sufficient for the preparation of perfectly good pellets without the need for further pre-treatment and the associated risk of contamination. It also retains its powdery form over a period of years if stored in an air-tight condition. Its physical suitability for pelletising is checked by a special application test and its chemical purity established by full spectrum FT-IR analysis.
POTASSIUM BROMIDE SPECTRO UVASOL 500G
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Merck - 1049070500 - Potassium Bromide Spectro Uvasol 500g

  • Item #: 6309643
  • MFR SKU: 1049070500
Technical Specs
  • Catalogue Number 104907
  • Replaces PX1378
  • Synonyms Hydrobromic Acid Potassium Salt
  • Overview Potassium bromide is transparent from the near UV to long wave IR wavelengths. In IR-spectroscopy, solid samples which are difficult to melt or dissolve in any suitable IR-transmitting solvent, are analyzed by grinding with Potassium bromide powder, and pressing into a disc. This procedure has a high quality demand of the used potassium bromide. Potassium bromide Uvasol® is adjusted to a mean particle size of 150 μm. This is sufficient for the preparation of perfectly good pellets without the need for further pre-treatment and the associated risk of contamination. It also retains its powdery form over a period of years if stored in an air-tight condition. Its physical suitability for pelletising is checked by a special application test and its chemical purity established by full spectrum FT-IR analysis.
  • CAS number 7758-02-3
  • EC number 231-830-3
  • Hill Formula BrK
  • Chemical formula KBr
  • Molar Mass 119.01 g/mol
  • HS Code 2827 51 00
  • Quality Level MQ100
  • Boiling point 1435 ° C (1013 hPa)
  • Density 2.750 g/cm3
  • Melting Point 734 ° C
  • pH value 5.0 - 6 (119 g/l, HO, 25 ° C)
  • Vapor pressure 1.3 hPa (795 ° C)
  • Bulk density 900 - 1000 kg/m3
  • Solubility 650 g/l
  • LD 50 oral LD50 Rat > 2000 mg/kg
  • Hazard Pictogram(s)
  • Hazard Statement(s) H319: Causes serious eye irritation.
  • Precautionary Statement(s) P264: Wash skin thoroughly after handling.
  • P280: Wear eye protection/ face protection.
  • P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P313: If eye irritation persists: Get medical advice/ attention.
  • Signal Word Warning
  • RTECS TS7650000
  • Storage class 10 - 13 Other liquids and solids
  • WGK WGK 1 slightly hazardous to water
  • Disposal 14
  • Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
  • Categories of danger irritant
  • Storage Store at +2° C to +30° C.
  • Application test passes test
  • Absorbance(2g pressed disk, 0.5 cm layer thickness)(Water; 3775-3050/1760-1520cm¹) ≤ 0.15
  • Absorbance(2g pressed disk, 0.5 cm layer thickness)(CH-compounds; 3050-2750cm¹) ≤ 0.004
  • Absorbance(2g pressed disk, 0.5 cm layer thickness)(other ; 4000-400cm¹) ≤ 0.020
  • Particle Size (d10) ≤ 150 µm
  • Particle Size (d50) ≤ 250 µm
  • Particle Size (d90) ≤ 500 µm
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