REFERENCES

Dulski, P., 2001. Reference materials for geochemical studies: new analytical data by ICP-MS and critical discussion of reference values. Geostand. Newsl., 25:87–125.

Garbe-Schönberg, C.-D., 1993. Simultaneous determination of thirty-seven trace elements in twenty-eight international rock standards by ICP-MS. Geostand. Newsl., 17:81–97.

Kornexl, B.E., Gehre, M., Höfling, R, and Werner, R.A., 1999. On-line 18O measurement of organic and inorganic substances. Rapid Commun. Mass Spectrom., 13:1685–1693.

Klemm, W., 1980. Erfahrungen beim Einsatz der LaF3-Einkristallmembran-elektrode zur Fluorbestimmung in Silikaten. Z. Angew. Geol., 26:561–565.