| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 0.068 | NAA |
1971 | Personal communication, Gunma Univ., Japan. | | | | H.Akaiwa |
| <7 | XRF |
1975.09 | Personal communicatin, Kochi Pref. Res. Center Env. Prot., Japan | | | | J.Yamamoto |
| 0.073 | RNAA |
1994 | Cl,Br and I in igneous standard rocks | Chem. Geol. | 115 | 213-225 | T.Shinonaga, M.Ebihara, H.Nakahara, K.Tomura and K |
| 0.058 | ICPMS |
1999 | Iodine(and Other Halogens)in Twenty Six Geological Reference Materials by ICP-MS and lon Chromatography | Geostandards Newsletter | 22 | 181-186 | B.Schnetger,Y.Muramatsu and S.Yoshida |