| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|
| <10 | OES |
1990.04 | Personal communication, Geological Survey of India | | | | B.G.Rao |
| <2 | OES |
1990.05 | Personal Communication, U.S. Geological Survey, Lakewood | | | | J.S.Kane, J.G.Crock, P.H.Briggs and D.L.Fey |
| <2 | ICPES |
1990.05 | Personal Communication, U.S. Geological Survey, Reston | | | | J.S.Kane |
| 0.55 | INAA |
1990.1 | Determination of trace element in new reference samples of sedimentary rock series of GSJ by INAA | J. Chengdu College Geol. | 17 | 113-117 | T.Chunhan and L.Xiaolin |
| 0.92 | 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 |
| <5 | AA |
1994 | Personal Communication, Czech Geol. surv, Czech Republic | | | | I.Rubeska |
| 1 | XRF |
1996 | Personal communication, Bremen Univ., Germany | | | | M.Zuther |
| 0.72 | AA |
1996 | Determination of molybdenum in fifty three geochemical reference materials by flameless atomic absorption spectrometry | Geostamdards Newsletter | 21 | 93-96 | S.Terashima |
| 0.8 | AA |
1997 | Personal Communication,SKK,Japan | | | | |
| 0.6 | OES |
1999 | Personarl Communication, Institute of Geology, Estonia | | | | T. Kiipli |