| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 0.008 | ICPMS |
1995 | Two new GSJ geochemical reference samples:Syenite JSy-1 and Manganese nodule JMn-1(Appendix) | Geostandards Newsletter | 19 | 228-229 | K.Govindaraju |
| 0.010 | ICPMS |
1997 | Personal communication,GFZ-Potsdam,Germany | | | | H.G.Plessen and J.Erzinger |
| <1 | ICPES |
1998 | Personal communication,SKK,Japan | | | | |
| 0.02 | ICPMS |
1998 | Personal communcation,Universite de Liege,Belgium | | | | I.Roelandts |
| 0.01 | ICPMS |
1994 | Personal Communication,WSU GeoAnalytical Laboratory, USA | | | | C. Knaack, S. Cornelius and P. Hooper |
| 0.01 | ICPMS |
2000 | Personarl Communication,Washington State University | | | | D. Johnson |
| <5 | EXRF |
2002 | Personal Communication, Southern Connecticut State Univ., USA | | | | T. Fleming |