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- [41] An announcement from the Chemical Laboratory of the University of Erlangen. The position of tellurium in the periodic system of elementsJOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1907, 75 (02): : 99 - 103Gutbier, AFlury, F
- [42] Announcements from the technological department of the chemical university laboratory of Leipzig - On knowledge of nitro cellulose.JOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1924, 108 (5/7): : 113 - 186Rassow, BDorr, E
- [43] Testings from the organic-chemical laboratory of the technical college of Dresden. CIII. Contributions to the knowledge of the ability to respond of the pyrrole ring which is not replaced in the beta-position.JOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1913, 87 (06): : 241 - 257Konig, WSchreckenbach, R
- [44] Announcement from the Chemical Institutes of the Technical College of Karlsruhe and the University of Munster - The influence of cyanogen bromide on tertiary imidazolesJOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1928, 119 (1/4): : 77 - 80Langenbeck, W
- [45] Tests from the organic laboratory at the Technical University in Dresden. LXXIII. Colloidal saltsJOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1905, 72 (01): : 39 - 56Lottermoser, A
- [46] Announcement from the chemical laboratory of the university of Upsala. Microanalytical regulation of carbon dioxide and water in the anaylsis of rocksJOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1919, 99 (9/12): : 312 - 316Almstrom, GK
- [47] Announcement from the Chemical University Laboratory in Leipzig - On the ketoidic and lactoidic form of the Benzil-o-carbonic acidsJOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1927, 117 (4/5): : 151 - 153Hantzsch, A
- [48] Announcement from the Chemical Laboratory of the University of Marburg - Loop explosion and formation in cumarandione-ion derivatives.JOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1926, 114 (9/12): : 313 - 336von Auwers, KHerbener, W
- [49] Analyses from the organic chemical laboratory of the Technical Highschool of Dresden LIX Quinoline synthesis from dinitrileneJOURNAL FUR PRAKTISCHE CHEMIE-LEIPZIG, 1903, 67 (11/12): : 504 - 512von Walther, R
- [50] Announcement from the chemical institute at Marburg University. The impact of bromine on aromatic amine: Substitution products and perbromideJUSTUS LIEBIGS ANNALEN DER CHEMIE, 1906, 346 (1/3): : 128 - 219Fries, K