| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|
| 1.2 | OES |
1968 | Personal communication, Geological Survey of Canada. | | | | W.H. Champ |
| <0.7* | OES |
1973.06 | Personal communication, Geological Survey of Canada. | | | | W.H. Champ and G.P. Bender |
| 1.32 | NAA |
1978 | Simultaneous determinaiton of gallium and germanium in igneous rock by neutron activation | Anal. Chim. Acta | 96 | 117-123 | R.M.Argollo and J.G.Schilling |
| 1.7 | AA |
1979 | Atomic absorption spectrometry of germanium with a tungsten electrothermal atomizer | Anal. Chim. Acta | 104 | 293-297 | K.Ohta and M.Suzuki |
| 1.33 | COLOR |
1984 | Personal communication, Toho Zinc LTD, Japan. | | | | K.Tanno and S.Takagi |
| 1.7 | COLOR |
1988.09 | Spectrophotometric determination of germanium in rocks after selective adsorption on sephadex gel | Anal. Chim. Acta | 209 | 333-338 | A.Harada, T.Tarutani and K.Yoshimura |
| 1.7 | COLOR |
1987 | Arsenic in geothermal water and silica scale | Proceedings of 9th NZ Geothermal Workshop | 9 | 89-92 | Y.Takahashi, T.Yokoyama |
| 1.6 | ICPMS |
1990 | Rapid determination of seven trace elements in rock reference samples by ICP-MS (in Japanese with English abstract) | Bunseki Kagaku | 39 | 55-59 | T.Okai |
| 0.97 | ICPMS |
1992 | Determination of trace and ultra-trace elements in 32 international geostandards by ICP-MS | Jour.Min.Pet.Econ.Geol | 87 | 107-122 | T.Yoshida,S.Yamasaki and A.Tsumura |