| 1 | |
| 2 | Rapid spectrophotometric determination of some transition metals with phenothiazines |
| Language: | English |
| 3 | |
| 4 | |
| Language: | English |
| 5 | |
| 6 | Studies in the analysis of fluoride extractive radio metric and spectrophotometric methods |
| Language: | English |
| 7 | |
| 8 | |
| Language: | English |
| 9 | Application of NMR spectrocopy an mass spectrometry to some problems concerning synthetic dyes |