| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
| 1 | XRF |
1985.08 | Personal communication, Govern. Chem. Lab., Brisbane, Australia | | | | H.A.Olszowy |
| 0.5 | COLOR |
1987.03 | Photometric determination of Gallium in silicate rocks after separation by crown ether extraction | Analyst | 112 | 335-336 | H.Koshima and H.Onishi |
| 0.59 | NAA |
1988.12 | Neutron activation analysis of Japanese standard rock samples II | Bull. Natn. Sci. Mus.,Tokyo Ser. E | 11 | 9-16 | F.Wakabayashi |
| <0.76 | INAA |
1989.03 | Personal communication, Musashi Institute of Technology, Japan | | | | S.Hirai and S.Suzuki |
| <10 | XRF |
1989.03 | Personal communication, Ministry Ener. Mines., Caracas, Venezuela | | | | H.Takeda |
| <1 | XRF |
1994 | Personal communication, Stanford Univ., USA | | | | J.W.Sparks |
| 8 | ICPES |
1994 | Major, trace and rare-earth elements in fourteen GSJ reference samples. Determination by X-ray fluorescence spectrometry and inductively coupled plasma optical emission spectrometory | Geostandards Newsletter | 18 | 91-100 | J.C.Germanique |
| <8 | XRF |
1998 | Personal communication,GEOMAR,Germany | | | | K.Wolf |
| 1.40 | XRF |
2000 | Quantitave chemical analyses of rocks by X-ray fluorescence spectrometry using a mixed alkali flux | Department of Earth Science, Faculty of Science | | | K Umemoto, T Imaoka, T Yamasaki and M Owada |
| 1 | XRF |
1995 | Major and trace element analyses of rock samples by X-ray fluorescence spectrometry using Rh anode tube | Department of Geology, Faculty of Educaton, Iwate University and Institute of Mineralogy, Petrology, and Economic Geology, Tokoku University | 55 | 89-110 | N. Tsuchiya, T. Hasenaka |
| <5 | EXRF |
2002 | Personal Communication, Southern Connecticut State Univ., USA | | | | T. Fleming |