Recherches sur l'obtention du chrǒme par voie électrolytique
✍ Scribed by J. Sigrist; P. Winkler; M. Wantz
- Publisher
- John Wiley and Sons
- Year
- 1924
- Tongue
- German
- Weight
- 308 KB
- Volume
- 7
- Category
- Article
- ISSN
- 0018-019X
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%.
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
## 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
Null-Marke N ein. (Die Lage dieser Marke ist auf derselben Hohe wie die innere Kuppe der Messkapillare.) Das Quecksilber, das in das Manometer eingefullt werden muss, wird derart bemessen, dass es bei gefulltem Kompressionsgefass und vertikaler Stellung der Kapillaren in der Messkapillare bis eben z