Výsledky vyhledávání - "R. A. Holwerda"

Structure of (chloranilato)bis(tri-n-butylphosphine)palladium(II)

Autor: R. A. Holwerda, D. G. VanDer Veer, Randy F. Johnston

Publikováno v: Journal of Crystallographic and Spectroscopic Research. 22:755-759

(Chloranilato)bis(tri-n-butylphosphine)palladium(II), [Pd(C6Cl2O4){P(C4H9)3}2] (chloranilic acid=2,5-dichloro-3,6-dihydroxy-p-benzoquinone): FW=718.02,P21/c,a=21.729(6),b=17.293(5),c=21.010(9) A,β=112.62(3)°,V=7287.42 A3,Z=8,D c=1.309mg m−3, Mo,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4b8fca16f7642217cfb4fadfd07a959d
https://doi.org/10.1007/bf01160997

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Structure of (chloranilato)bis(tri-m-tolylphosphine)palladium(II)

Autor: P. K. Sen Gupta, R. van der Helm, W. Y. Jeong, R. F. Johnston, R. A. Holwerda, M. B. Ossain

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 46:1796-1799

[Pd(C 6 Cl 2 O 4 ){P(C 7 H 7 ) 3 } 2 ] cristallise dans P2 1 /c avec a=15,231, b=10,204, c=26,952 A, β=94,60 o , Z=4, affinement jusqu'a R=0,039. Le compose presente un champ de coordinats P 2 O 2 plan carre deforme autour de Pd II , caracterise par

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4bcfbd97639d3eddf3c8071f90c693eb
https://doi.org/10.1107/s0108270190099929

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Chemical characteristics and relative bioavailability of supplemental organic copper sources for poultry

Autor: J Cao, Pamela R. Henry, Ramon C. Littell, R A Holwerda, Richard D. Miles, C. B. Ammerman, R Guo

Publikováno v: Journal of animal science. 79(5)

Five commercially available organic Cu products and reagent-grade CuSO4 x 5H2O (Cu Sulf) were evaluated by polarographic analysis and solubility in 0.1 M K2HPO4-KH2PO4 buffer (pH 5), 0.2 M HCl-KCl buffer (pH 2), or deionized water. Fractions from the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b4013e1c5be44df64907dfcd8d7aeb5
https://pubmed.ncbi.nlm.nih.gov/11374531

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Chemical characteristics and relative bioavailability of supplemental organic zinc sources for poultry and ruminants

Autor: Richard D. Miles, R Guo, C. B. Ammerman, Pamela R. Henry, Ramon C. Littell, R A Holwerda, J P Toth, J Cao

Publikováno v: Journal of Animal Science. 78:2039

Eight commercially available organic Zn products and reagent-grade ZnSO4 x 7H2O (Zn Sulf) were evaluated by polarographic analysis, and solubility in .1 M K2HPO4-KH2PO4 buffer (pH 5), .2 M HCl-KCl buffer (pH 2), and deionized water. Fractions from th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d8968f3a44ca8e1d6985779ebbd6214
https://doi.org/10.2527/2000.7882039x

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