| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 7.4700 | ICPES |
1984.03 | Personal communication, Government Industrial Research Institute, Chugoku, Japan | | | | S.Hirata |
| 7.7 | XRF |
1983 | Determination of multi elements in sediments by X-ray fluorescence | Annual Rep. Yokohama Res. Inst. for Env. Sci. | 8 | 103-110 | Y.Shirayanagi |
| 8.35 | XRF |
1975.09 | Personal communicatin, Kochi Pref. Res. Center Env. Prot., Japan | | | | J.Yamamoto |
| 7.9820 | AA |
1981.07 | Personal communication, Yamagata University, Japan | | | | Y.Honma |
| 7.50 | INAA |
1982 | Matrix effects of epithermal neutron activation analysis of various kinds of reference materials | J. Radioanal. Chem. | 72 | 377-391 | H.Nakahara, M.Tsukada, |
| 8.17 | INAA |
1996 | Multi-element determination by a cold neutron-induced prompt gamma-ray analysis | | 12 | | C.Yonezawa |