Zobrazeno 1 - 10
of 132
pro vyhledávání: '"M. Bobtelsky"'
Autor:
S. Kertes, M. Bobtelsky
Publikováno v:
Journal of Applied Chemistry. 5:675-686
Both the simple and the more complicated soluble salts of anion complexes of pyrophosphate and tripolyphosphate with Mn, Ni, Co and Cu were studied by heterometry (photometric study of suspensions), potentiometry and conductimetry on a comparative ba
Autor:
S. Kertes, M. Bobtelsky
Publikováno v:
Journal of Applied Chemistry. 4:419-429
A study of pyro- and tripoly-phosphates, by heterometric (photometric study of suspensions), pH and conductometric methods, was made on a quantitative basis. From the curves obtained, the composition and properties of the salts and complexes, which e
Autor:
M. Bobtelsky, S. Kertes
Publikováno v:
Journal of Applied Chemistry. 5:125-133
This study is the second in a series of investigations of polyphosphates, in which only physical methods are used. The composition of the salts and complexes were studied by heterometric (photometric study of suspensions), pH and conductometric metho
Publikováno v:
Journal of the American Chemical Society. 67:966-975
Autor:
M. Gancz, M. Bobtelsky
Publikováno v:
Israel Journal of Chemistry. 3:29-32
A heterometric study was made of the reaction between vanadium and 5,7-dibromo-8-hydroxy-quinolin. A method is presented for the determination of 0.2 mg V+5 in 20 ml aqueous solution which can be carried out within 10 minutes. The analysed solution m
Autor:
M. Bobtelsky, A. E. Simchen
Publikováno v:
Journal of the American Chemical Society. 64:2492-2498
Autor:
M. Bobtelsky, M. Gancz
Publikováno v:
Israel Journal of Chemistry. 3:33-38
A heterometric study was made of the reaction between lead and thionalide. A method is presented for the determination of 1 mg Pb in 20 ml aqueous solution in which Mn, Fe, Co, Ni, Cr, Mg, Zn, Al, Cu, Cd, Ag and Hg may be present. The determination t
Autor:
A. Rosenberg, M. Bobtelsky
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 182:74-92
Wahrend die Brom-Austreibung in Gegenwart von Sulfaten in allen Konzentrationen des betreffenden Salzes, je nach dem an- gewandten Sulfat, entweder beschleunigt oder verzogert wird, wirken alle Chloride niederer Konzentration ausschlieslich verzogern
Autor:
M. Bobtelsky, E. Jungreis
Publikováno v:
Journal of Inorganic and Nuclear Chemistry. 3:38-48
The only cobalt complex which is formed at pH's 6–8 is soluble and has the composition [Co 2 III (SAO) 3 ] 0 . With nickel, an insoluble complex [Ni(SAO) 2 ] 0 is formed quantitatively between pH = 6 ⩽ 12. At pH ≥ 12 it is abruptly and complete
Autor:
M. Bobtelsky, Frau Malkowa‐Janowski
Publikováno v:
Zeitschrift für Angewandte Chemie. 40:1434-1437