RT @realBioMassSpec: Metrology for stable isotope reference materials: 13C/12C and 18O/16O isotope ratio value assignment of pure carbon di…
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RT @kermitmurray: Metrology for stable isotope reference materials: 13 C/ 12 C and 18 O/ 16 O isotope ratio value assignment of pure carbon…
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RT @kermitmurray: Metrology for stable isotope reference materials: 13 C/ 12 C and 18 O/ 16 O isotope ratio value assignment of pure carbon…
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RT @AnalBioanalChem: Metrology for stable isotope #reference #materials: 13C/12C and 18O/16O isotope ratio value assignment of pure #carbon…