Séance du 11 Mai 1935. RECHERCHE SUR L'INTELLIGIBILITE ET LA STRUCTURE DU PERCEPT
✍ Scribed by Jacques Paliard and Pierre Lachièze-Rey
- Book ID
- 124789317
- Publisher
- Presses Universitaires de France
- Year
- 1935
- Tongue
- French
- Weight
- 685 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0014-2166
- DOI
- 10.2307/20840670
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Abstract The electrolytic separation of Ta and Nb from cryolitic solutions of their respective pentoxides gives, under specified conditions, a yield of 90% of the initial Nb with a purity better than 98%.
## Abstract Two radiochemical methods for the quantitative determination of tantalum and niobium, with the aid of ^182^Ta and ^95^Nb, are described. If only one of these radio‐isotopes is present, it can be determined by counting the gamma radiation emitted in a well‐cristal scintillator. The simul
Des essais B blanc effectuBs en parallele ou, mieux encore, un Btalon interne permettent d'augmenter l'exactitude de la mCthode. Voici, & titre d'exemple, les points de trois courbes d'6talonnage (tableau 11), accompagnBs des Bcarts-type. Chaque valeur indiqu6e au tableau est la moyenne arithm6tiqu