| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 0.0046 | NAA |
1988.12 | Neutron activation analysis of Japanese standard rock samples II | Bull. Natn. Sci. Mus.,Tokyo Ser. E | 11 | 9-16 | F.Wakabayashi |
| 0.0049 | INAA |
1989.03 | Personal communication, Musashi Institute of Technology, Japan | | | | S.Hirai and S.Suzuki |
| 0.0050 | XRF |
1990.01 | Personal communication, IFREMER, Centre de Brest, France | | | | J.Etoubleau |
| 0.0049 | ICPES |
1993 | Determination of trace elements in calcite by ICP-AES after coprecipitation with indium sulfide | Bunseki Kagaku | 42 | 305-309 | K.Yamazaki, H.Tsuji, K.Chayama, Y.Tamari and Y.Kus |
| 0.005477 | ICPES |
1993.06 | Personal Communication, Continental Lime Inc., USA | | | | S.Berman |