Acid-grade fluorspar — Determination of total phosphorus content — Molybdophosphate photometric method
Spaths fluor pour la fabrication de l'acide fluorhydrique — Dosage du phosphore total — Méthode photométrique au molybdophosphate
73.080 - Non-metalliferous minerals. Including mica, fluorspar, etc.
Es anulada por: ISO 6676:1993
Es anulada por: ISO 6676:1990
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