| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 3 | XRF |
1996 | Personal communication, Bremen Univ., Germany | | | | M.Zuther |
| 0.94 | AA |
1996 | Determination of molybdenum in fifty three geochemical reference materials by flameless atomic absorption spectrometry | Geostamdards Newsletter | 21 | 93-96 | S.Terashima |
| 0.8 | AA |
1997 | Personal Communication,SKK,Japan | | | | |
| 0.49 | ICPMS |
1998 | Personal communication,M.Watanabe,MKK,Tokyo, Japan | | | | M.Watanabe |
| 0.8 | AA |
1998 | Personal communication,SKK,Japan | | | | |
| <1 | AA |
1998 | Personal communication,SKK,Japan | | | | |
| 0.82 | ICPMS |
1998 | Personal communcation,Universite de Liege,Belgium | | | | I.Roelandts |
| 65 | OES |
1999 | Personarl Communication, Institute of Geology, Estonia | | | | T. Kiipli |
| <2 | EXRF |
2002 | Personal Communication, Southern Connecticut State Univ., USA | | | | T. Fleming |