| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 0.185 | MS |
1982.03 | Personal communication, Kyoto Sangyo University, Japan | | | | S.Nohda |
| 0.2178 | IDMS |
1986.09 | Personal communication, Geological Survey of Japan | | | | T.Tanaka |
| 0.2166 | IDMS |
1995 | Direct Determination of the Samarium:Neodymium Ratio in Geological Materials by Inductively Coupled Plasma Quadrupole Mass Spectrometry with Cryogenic Desolvation.Comparison with Isotope Dilution Thermal Ionization Mass Spectrometry | Analytical Atomic Spectrometry | 10 | | C.Pin,P.Telouk and J.L.Imbert |
| 0.2155 | ICPMS |
1995 | Direct Determination of the Samarium:Neodymium Ratio in Geological Materials by Inductively Coupled Plasma Quadrupole Mass Spectrometry with Cryogenic Desolvation.Comparison with Isotope Dilution Thermal Ionization Mass Spectrometry | Analytical Atomic Spectrometry | 10 | | C.Pin,P.Telouk and J.L.Imbert |
| 0.2163 | IDMS |
1997 | Sequential separation of light rare-earth elements,thorium and uranium by miniaturized extrection chromatography:Application to isotopic analyses of silicate rocks | Analytica Chimica Acta | 339 | 79-89 | C.Pin and J.F.S.Zalduegui |
| 0.21749 | MS |
2000 | Rb, Sr, Sm and Nd concentrations of GSJ, KIGAM and BCR-1 rock reference samples analyzed by isotope dilution method. | Nigata Univ. | 15 | 23-34 | M.Yuhara, T.I Hamamoto,H. Kondo, T. Ikawa, H. Kagami and K. Shuto |