ZIRMEL
CHEMICAL COMPOSITIONS AND MIXTURES-NAMELY, SALTS OF ZIRCONIUM TETRAFLUORIDE, POTASSIUM FLUORIDE, POTASSIUM FLUOZIRCONATE, ALKALI METAL CHLORIDES, RARE EARTH METAL FLUORIDES AND ALKALINE EARTH METAL CHLORIDES USED FOR THE INTRODUCTION OF ZIRCONIUM AND CERIUM INTO MOLTEN MAGNESIUM AND FOR THE PREPARATION OF OTHER METALLIC ALLOYS
Expired · January 10, 1951 · 71608614 ·