| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 8.6 | AA |
1998 | Preparation of two new GSJ geochemical reference materials; basalt JB-1b and coal fly ash JCFA-1. | Geostandards Newsletter | 22 | 113-117 | S.Terashima, M.Taniguchi, M.Mikoshiba and N.Imai |
| 8.12 | ICPMS |
1998 | Personal communication,M.Watanabe,MKK,Tokyo, Japan | | | | M.Watanabe |
| 7.44 | NAA |
1998 | Personal communication,Lucas Heights Science and Technology center ,Australia | | | | H.Waldron |
| 11 | XRF |
1998 | Collaborative Study of two new GSJ Geochemical Reference Materials :Basalt JB-1b and Coal Fly Ash JCFA-1 | Analytical Results | | | S.Pierdzig and O.Krause |
| 8.66 | ICPMS |
1994 | Personal Communication,WSU GeoAnalytical Laboratory, USA | | | | C. Knaack, S. Cornelius and P. Hooper |
| 8.66 | ICPMS |
2000 | Personarl Communication,Washington State University | | | | D. Johnson |
| 6.6 | EXRF |
2002 | Personal Communication, Southern Connecticut State Univ., USA | | | | T. Fleming |