1. where soft ground phosphate is present, phosphorous pentoxide (P2O5) soluble in formic acid ;

sofern weicherdiges Phosphat vorhanden ist, in Ameisensäure lösliches Phosphorpentoxid (P2O5);

2. where soft ground phosphate is present, phosphorus pentoxide (P2O5) soluble in formic acid;

sofern weicherdiges Phosphat vorhanden ist, in Ameisensäure lösliches Phosphorpentoxid (P2O5);

3. Where soft ground phosphate is present, phosphorous pentoxide (P2O5) soluble in formic acid ;

sofern weicherdiges Phosphat vorhanden ist, in Ameisensäure lösliches Phosphorpentoxid (P2O5);