1. Use of thioacetamide in quantitative analysis. II. Determination of bismuth I;Flaschka;Acta Chem. Scand,1950
2. The use of thiourea in precipitation of metal sulphides I. Determination of bismuth as Bi2S3;Soloniewicz;Chem. Anal. (Warsaw),1962
3. Precipitation of mercury sulphide from homogeneous solution gravimetric determination of mercury;Vassiliades;Microchem. J,1969
4. Application of thiocaprolactam for precipitation of metal sulphides, and gravimetric and volumetric determination of cadmium;Sikorska-Tomicka;Chem. Anal. (Warsaw),1967
5. Application of thiocaprolactam for precipitation of metal sulphides. II. Gravimetric and titrimetric determination of lead;Sikorska-Tomicka;Chem. Anal. (Warsaw),1969