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Acetonitril ≥99.9%, SPECTRONORM® for spectroscopy
Acetonitril ≥99.9%, SPECTRONORM® for spectroscopy
Leverantör:  VWR Chemicals
   Hållbara alternativ tillgängliga
Certifikatundefined
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Acetonitril ≥99.9%, SPECTRONORM® for spectroscopy
Leverantör:  VWR Chemicals
   Hållbara alternativ tillgängliga
Certifikat

Specifikationer

  • Environmentally Preferable:
    Safer Human and Environmental Health
  • Miljöcertificering:
    EPA Safer Chemical Solvent (Green Circle Rating); Chem21 Solvent Selection Guide recommended by default and after discussion

Specifikationer

Specifikationstestresultat

  • Assay (GC):
    ≥ 99,9 %
  • Acidity:
    ≤ 0,0002 meq/g
  • Alkalinity:
    ≤ 0,0001 meq/g
  • Colouration:
    ≤ 10 APHA
  • Evaporation residue:
    ≤ 2 ppm
  • Water:
    ≤ 100 ppm
  • Absorbance (190 nm):
    ≤ 0,70
  • Absorbance (195 nm):
    ≤ 0,22
  • Absorbance (200 nm):
    ≤ 0,05
  • Absorbance (215 nm):
    ≤ 0,02
  • Absorbance (from 230 nm):
    ≤ 0,01
  • Transmittance (190 nm):
    ≥ 20 %
  • Transmittance (195 nm):
    ≥ 60 %
  • Transmittance (200 nm):
    ≥ 90 %
  • Transmittance (215 nm):
    ≥ 95 %
  • Transmittance (from 230 nm):
    ≥ 98 %
  • Fluorescence (as quinine) (254 nm):
    ≤ 0,5 ppb
  • Fluorescence (as quinine) (365 nm):
    ≤ 0,5 ppb

Specifikationstestresultat