| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 0.01 | ICPMS |
1993.04 | Simultaneous determination of thirty-seven trace elements in twenty-eight international rock standards by ICP-MS | Geost. Newsletter | 17 | 81-97 | CD.Garbe-Schonberg |
| 0.02 | SSMS |
1994 | Trace element analysis of GSJ silicate reference materials:Comparison of SSMS with ICP-MS data and a critical discussion of compiled values | Fresenius.J.Anal.Chem | 350 | 310-318 | K.P.Jochum and G.Jenner |
| 0.017 | ICPMS |
1997 | Determination of As,Bi,Sb,Se and Te in Fifity Five Reference Materials by Hydride Generation ICP-MS | Geostandards Newsletter | 21 | 85-91 | G.E.M.Hall and J.C Pelchat |
| <2 | EXRF |
2002 | Personal Communication, Southern Connecticut State Univ., USA | | | | T. Fleming |
| 0.018 | HAA |
2002 | Determination of bismuth in 50 geological reference materials by AAS | BUNSEKI KAGAKU | 51 | 317-322 | S.Terashima, T.Okai, N.Imai |