Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Eckhard Herrmann"'
Autor:
Manfred Scheer, Eckhard Herrmann
Publikováno v:
Zeitschrift für Chemie. 30:41-55
The complexchemisty of “nacked” Ex-unites (E = P, As, Sb, Bi; x = 1–6) has developed rapidly since the end of the seventies. Most of the Ex-groups, except P4, are unstable in the free state but can be stabilized by complexation with transition
Publikováno v:
Czechoslovak Journal of Physics. 56:D525-D531
The distribution of chelate-forming reagents on a basis of arylimidodiphosphate between different organic solvents and 0.1 mol L−1 HNO3 has been studied by liquid-liquid extraction of 46Sc. The values of dimerization constants K2 in selected solven
Publikováno v:
Collection of Czechoslovak Chemical Communications. 71:1427-1444
The extraction of Mg(II), Ca(II), Sr(II), Ba(II), Mn(II), Co(II), Ni(II), Cu(II), Eu(III) and Am(III) from mineral acid solutions with triethylene glycol bis(dodecyl phosphate) (H2A = HO(H25C12O)P(O)(OCH2CH2)3OP(O)(OC12H25)OH) in different diluents w
Publikováno v:
Collection of Czechoslovak Chemical Communications. 66:621-630
A series of triethylene glycol bis(alkyl phosphate)s HO(RO)P(O)(OCH2CH2)3OP(O)(OR)OH 4 (R = octyl (4a), 1-methylheptyl (4b), 2-ethylhexyl (4c), nonyl (4d), decyl (4e), dodecyl (4f), hexadecyl (4g), octadecyl (4h)) has been synthesized with the expect
Autor:
Lothar Riesel, Eckhard Herrmann, Horst Pautzmann, Rolf Somieski, Herbert Kroschwitz, Dieter Schröuter, Hans-Albert Lehmann
Publikováno v:
Zeitschrift für Chemie. 10:466-468
Publikováno v:
Zeitschrift für Chemie. 21:333-335
Publikováno v:
Phosphorus, Sulfur, and Silicon and the Related Elements. 164:103-129
Acetonitril reagiert in Gegenwart von Natriumhydrid oder Natrium mit Diphenoxythiophosphorylchlorid bzw. Diphenoxyphosphorylchlorid, zum N-(2-Cyano-L-methyl-ethenyl)-O,O-diphenyl-amido-thiophosphat (PCNS) und zum N-(2-Cyano-l-rnethyl-ethenyl)-O,Odiph
Publikováno v:
Czechoslovak Journal of Physics. 49:747-753
Some polydentate μ-imido organophosphorus compounds, in particular bidentate aryl esters of imidodiphosphoric acid, (RO)2P(X)NHP(Y)(OR)2 where X, Y=O or S and R=aryl group can be used as efficient extractants for liquid extraction and separation of
Publikováno v:
Collection of Czechoslovak Chemical Communications. 62:620-625
The distribution of calcium, strontium, barium and scandium between aqueous and organic phases was studied using 0.1 M HNO3 or 0.01 to 0.1 M HCl as the aqueous phase and solutions of selected derivatives of organophosphoric reagents containing the co
Publikováno v:
Zeitschrift f�r anorganische und allgemeine Chemie. 623:403-408
Bei der Reaktion von N,N-Diethyl-N′-diphenoxythiophosphoryl-thioharnstoff (C6H5O)2P(S)NHC(S)N(C2H5) mit Cu2+ in Gegenwart von Ethanol erfolgt eine Reduktion von Kupfer(II) zu Kupfer(I), und es bildet sich der trinukleare, neutrale, diamagnetische C