Showing results 3 to 9 of 9
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| Issue Date | Title | Author(s) |
| 30-Sep-1986 | New chemiluminescent cpds. based on bis-chloro-carbomethoxy- or carbo:butox-yphenyl-oxalate(s) | Anghelescu, N.; Dumitrescu, Emil; Craiu, Cornel; Costov, Ioan; Parmac, Sorin |
| 30-Sep-1984 | Phosphate recovery from residual acidic waters by consecutive neutralisation first with chalk or lime and then lime, with pptn. of calcium phosphate | Cruceru, Mihail; Dumitrescu, Emil; Parmac, Sorin; Coroiu, Cornel; Costov, Ioan |
| 30-Sep-1986 | Prepn. of oxalate(s) of di:phenyl or bisOnitrophenyl obtd. by condensn. of methyl (I) phenoxide(s) and oxalylchloride, in benzene or toluene | Anghelescu, N.; Dumitrescu, Emil; Costov, Ioan; Parmac, Sorin; Craiu, Cornel |
| 28-Jun-1985 | Purifying residual water contg. organic substances by adding urea and formaldehyde, sepg. the resin by filtration or sedimentation and purifying the water biologically after neutralising | Parmac, Sorin; Buliga, A.; Chiru, Epsica; Dumitrescu, Emil; Costov, Ioan; Cruceru, Mihail; Varlam, C.; Pristavu, N. |
| 30-Aug-1985 | Recovering coagulant from treating residual waters by dissolving hydroxide formed, residual and unused acid, adding and formaldehyde, washing aminoplast and reusing water | Parmac, Sorin; Buliga, A.; Cruceru, Mihail; Dumitrescu, Emil; Costov, Ioan; Ghiorghiu, G. |
| 15-Sep-1988 | Recuperation of silver from photosensitive material waste consists of washing with sodium hydroxide soln., sludge separation, and alkaline fluxing after drying | Parmac, Sorin; Costov, Ioan; Trestioreanu, F.; Beleaua, Victor; Polgar, I.; Stanciu, M. |
| 30-Oct-1984 | Treating residual acidic waters from chemical fertiliser industry with phosphorus and opt. phospho-gypsum by use as reagent and creation of high calcium carbonate content | Cruceru, Mihail; Coroiu, Cornel; Parmac, Sorin; Dumitrescu, Emil; Costov, Ioan |
