Neodymium, gadolinium, terbium, holmium, erbium, thulium and their oxides. Chemical-spectral method of determination of impurities in oxides of rare-earth elements
Workplace atmospheres. Determination of inorganic acids by ion chromatography. Part 2. Volatile acids, except hydrofluoric acid (hydrochloric acid, hydrobromic acid and nitric acid)
Mixed feed, concentrates and premixes. Determination of mass fraction of iron, manganese, zinc, cobalt, copper, molybdenum and selenium by atomic absorption spectroscopy method
