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- [5] A needle valve for the micro-dumas determination of nitrogen INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1939, 11 : 0404 - 0405
- [6] Microanalysis with an ordinary balance I - Determination of nitrogen by micro-Dumas method INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1931, 3 : 0198 - 0199
- [7] The use of Trautz's micro-dumas method with the apparatus of Pregl INDUSTRIAL AND ENGINEERING CHEMISTRY-ANALYTICAL EDITION, 1938, 10 : 0605 - 0605
- [10] A possibility of misinterpreting the results of the nitrogen analysis by the micro-Dumas method RECUEIL DES TRAVAUX CHIMIQUES DES PAYS-BAS, 1938, 57 : 688 - 693