Praseodymium, neodymium, terbium, holmium, erbium and their oxides. Method of determination of chromium

Norma vydána dne 1.1.1981

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

Norma vydána dne 1.1.1981

Rare-earth metals and their oxides. Method of determination of iron and copper

Norma vydána dne 1.1.1981

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

Norma vydána dne 1.1.1981

Rare-earth metals and their oxides. Methods of determination of nickel

Norma vydána dne 1.1.1981

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

Norma vydána dne 1.1.1981

Rare-earth metals and their oxides. Method of determination of molybdenium and tungsten

Norma vydána dne 1.1.1981

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

Norma vydána dne 1.1.1981

Samarium, europium, gadolinium, terbium, holmium, erbium, thulium, ytterbium, lutecium and their oxides. 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 tantalum

Norma vydána dne 1.1.1981