| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 0.0094 | INAA |
1989.03 | Personal communication, Musashi Institute of Technology, Japan | | | | S.Hirai and S.Suzuki |
| 0.0073 | COLOR |
1989.08 | Problems of sample decomposition method for the determination of aluminium, iron, sodium, potassium and barium in rock standard samples, (in Japanese with English abstract) | Bunseki Kagaku | 38 | 113-118 | S.Aizawa and H.Akaiwa |
| 0.049 | 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 |
| 106.47 | ICPES |
1999 | Personal communication,Murakashi,co,Japan | | | | K.Kobayashi |