Browsing by Author Zlota, Arie
Showing results 1 to 4 of 4
Issue Date | Title | Author(s) |
---|---|---|
28-Feb-1984 | Highly pure para-toluene-sulphonic acid mono:hydrate prepn. from sulphuric acid contg. para-toluene-sulphonic acid by mixing with water, cooling, filtration and crystallisation steps | Dorobantu, Maria; Zlota, Arie; Barca, Elena; Anistoroaie, Viorica; Cosaveanu, A.; Dumitrescu, I. |
30-Sep-1984 | Highly pure para-toluene-sulphonic acid prepn. by sulphonating toluene with conc. sulphuric acid at atmos. pressure | Dorobantu, Maria; Zlota, Arie; Barca, Elena; Anistoroaie, Viorica |
30-Nov-1982 | Para-toluene-sulphonic acid prepn. by treating di:para-tolyl-tri:chloroethane prodn. residue, contg. sulphuric acid and toluene-sulphonic acid, with toluene | Dorobantu, Maria; Zlota, Arie; Barca, Elena |
28-Feb-1983 | Variable speed continuous simultaneous multiple liquids dispenser-has telescopic feed tube and flexible vent pipes with travel provided by helicoidal screw. | Zlota, Arie; Dorobantu, Maria; Anistoroaie, Viorica |