[en] The symposium on modern methods of analytical testing of technological processes held in October, 1985 in Czechoslovakia heard a total of 32 papers of which 11 were inputted in INIS. These papers deal with X-ray fluorescence determination of uranium in solutions, the separation of rare earth elements by oxalate precipitation, the application of fluorimetry in inorganic analysis, gadolinium determination in uranium ores, with isotachophoresis applications, nitrogen oxide determinations in gaseous products of pressure leaching of uranium ores, the development of automatic analyzers, the applications of an extraction spectrophotometric analyzer, and a radiometric system for controlling sorption and elution. (J.C.)