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Dichloromethane ≥99.9% stabilised, SPECTRONORM® for spectroscopy
Dichloromethane ≥99.9% stabilised, SPECTRONORM® for spectroscopy
Supplier:  VWR Chemicals
Certificatesundefined
Dichloromethane ≥99.9% stabilised, SPECTRONORM® for spectroscopy
Supplier:  VWR Chemicals
Certificates

Specifications

  • Environmentally Preferable:

Specifications

Specification Test Results

  • Assay (GC):
    ≥ 99,9 %
  • Acidity:
    ≤ 0,0002 meq/g
  • Alkalinity:
    ≤ 0,0002 meq/g
  • Colouration:
    ≤ 10 APHA
  • Evaporation residue:
    ≤ 2 ppm
  • Water:
    ≤ 100 ppm
  • Absorbance (235 nm):
    ≤ 0,52
  • Absorbance (240 nm):
    ≤ 0,16
  • Absorbance (245 nm):
    ≤ 0,07
  • Absorbance (250 nm):
    ≤ 0,02
  • Absorbance (from 255 nm):
    ≤ 0,01
  • Transmittance (235 nm):
    ≥ 30 %
  • Transmittance (240 nm):
    ≥ 70 %
  • Transmittance (245 nm):
    ≥ 85 %
  • Transmittance (250 nm):
    ≥ 95 %
  • Transmittance (from 255 nm):
    ≥ 98 %
  • Fluorescence (as quinine) (254 nm):
    ≤ 1,0 ppb
  • Fluorescence (as quinine) (365 nm):
    ≤ 1,0 ppb

Specification Test Results

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