Lanthanum, neodymium, gadolinium, dysprosium, yttrium, and their oxides. Method of determination of impurities as oxides of praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium

Norma vydána dne 1.1.1981

Lanthanum, gadolinium, yttrium and their oxides. Method of determination of ties as oxides of neodimium, samarium, europium and erbium

Norma vydána dne 1.1.1981

Yttrium and its oxides. Method of determination of such impurities as oxides of praseodymium, neodymium, samarium, europium, terbium, disprosium, helmium, erbium, tulium and ytterbium

Norma vydána dne 1.1.1981

Rare-earth metals and their oxides. Method of determination of cerium and terbium

Norma vydána dne 1.1.1981

Praseodymium and its oxide. Method of determination of rare-earth elements oxides

Norma vydána dne 1.1.1981

Neodymium, gadolinium and their oxides. Method of determination of rare-earth element oxides

Norma vydána dne 1.1.1981

Rare-earth metals and their oxides. Method of determination of titanium

Norma vydána dne 1.1.1981

Rare-earth metals and their oxides. Direct spectral method of determination of impurities in oxides of rare-earth elements

Norma vydána dne 1.1.1981

Rare-earth metals and their oxides. Method of determination of vanadium

Norma vydána dne 1.1.1981

Lanthanum, samarium, europium, gadolinium, dysprosium, thulium, yterbium, yttrium and their oxides. Method of determination of chromium

Norma vydána dne 1.1.1981