MM-554 < 20180220142123-199189 > pub
  • technique: isotope dilution mass spectrometry with 38Ar spike
  • device: Micromass VG5400
  • operator: dejene.feyissa
  • description: groundmass separate was used
  • modified at 2018-02-20
  • stone: MM-554-1
measured value uncertainty unit description
36Ar 1.99e-12 g/g
40Arrad 2.16e-10 g/g
40Ar/36Ar 393.0
air fraction 74.9 %
name global-id
name spots global-id