| value | technique | year | title_of_literature<MAX120col.> | journal<MAX120col.> | vol | page | name<MAX80col.> |
|---|
| <1000 | CEA |
1985.03 | Personal communication, The Transvaal Coal Owners Association, Richmond, South Africa | | | | S.Naidoo |
| 16 | XRF |
1985.08 | Personal communication, Govern. Chem. Lab., Brisbane, Australia | | | | H.A.Olszowy |
| 9 | CEA |
1988.1 | Determination of total carbon and sulfur in fifty-two geochemical reference samples by combustion and infrared absorption spectrometry | Geost. Newsletter | 12 | 249-252 | S.Terashima |
| 100 | CEA |
1989.03 | Personal communication, Ministry Ener. Mines., Caracas, Venezuela | | | | H.Takeda |
| 5.5 | IC |
1989.04 | Determination of sulphur at low levels in standard reference materials by pyrohydrolysis/ion chromatography | Geost. Newsletter | 13 | 1-4 | G.E.M.Hall and J.A.Vaive |
| 232 | XRF |
1995 | Analysis of Pressed Pellets of Geological Samples Using Wavelength-Dispersive X-Ray Fluorescence Spectrometry | X-ray Spectrometry | 24 | 123-136 | H.P.Longerich |