Moroccan phosphate rock as a BCR reference material

G. Serrini

Commission of the European Communities, Joint Research Centre-Ispra Establisment, I-21020, Italy

Abstract
A brief presentation of the results obtained on a Moroccan phosphate rock reference material is reported. Nine parameters (calcium, phosphorus, fluorine, carbonate carbon, sulphur, aluminium, magnesium and iron) have been certified.

Geostandards Newsletter (1981), Vol. 5 No. 1 pp. 83-85



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