نتایج جستجو برای: cyanide complexes

تعداد نتایج: 145539  

2011
Yusuke Kimoto Takeshi Matsui Takashiro Akitsu

We have prepared some 3d-4f cyanide-bridged Ln(DMF)4(H2O)3Fe(CN)6•H2O complexes (Ln = Ce, Sm, Nd, and Gd; DMF = N,N-dimethylformamide) by substituting isotopes to H-substituted H2O and DMF and O-substituted H2O (and normal Hand O-H2O or H-DMF). We examined their crystal structures exhibiting negative thermal expansion and compared in view of hydrogen bonds and lanthanide contraction. Magnetic p...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 1997
mohammad kooti joseph s. merola

aminocarboxylic acids, such as 2-aminobenzoic acid, react easily with [ir(cod)(pme3)3]cl, (cod=1,5-cyclooctadiene), in thf to produce hydridoaminocarboxylato iridium(iii) complexes in high yields. these octahedral complexes are formed via oxidative addition reaction of the o-h bond of the carboxylic group with the central metal. the starting iridium(i) complex losses the cod molecule, the chlor...

2012
Andriana SURLEVA Robert GRADINARU Gabi DROCHIOIU

The extreme toxicity of cyanide, its wide industrial application as well as its continued illegal use generate research interest in different fields of science, imposing multidisciplinary approach to study cyanide poisoning. This review presents new data about cyanide exposure, toxicology, and antidote development. Cyanide concerned research in environmental and forensic sciences along with med...

Journal: :Biochemical Society transactions 2005
V M Luque-Almagro R Blasco M J Huertas M Martínez-Luque C Moreno-Vivián F Castillo M D Roldán

Pseudomonas pseudoalcaligenes CECT5344 uses cyanide, cyanate, beta-cyanoalanine, and other cyanoderivatives as nitrogen sources under alkaline conditions, which prevents volatile HCN (pK(a) 9.2) formation. The cyanide consumed by this strain is stoichiometrically converted into ammonium. In addition, this bacterium grows with the heavy metal, cyanide-containing waste water generated by the jewe...

Journal: :The Journal of emergency medicine 2010
Jean-Luc Fortin Stanislas Waroux J P Giocanti Gilles Capellier Michel Ruttimann Jean-Jacques Kowalski

Hydroxocobalamin, a precursor of vitamin B12, has a history of use in the prehospital setting in France for cyanide poisoning, particularly that associated with smoke inhalation. Because cyanide poisoning by ingestion is less common than smoke inhalation-associated cyanide poisoning, less information is available on prehospital use of hydroxocobalamin to treat cyanide poisoning by ingestion. Th...

1999
Robert E. Moran

The use of cyanide compounds in mining is frequently a controversial issue. Environmental groups often focus on the acutely toxic properties of many cyanide compounds to humans. The mining industry has argued that the dilute cyanide concentrations employed, the methods of use, and the rapid decomposition of these compounds make cyanide extraction a very safe alternative. Clearly the spill of al...

Journal: :Journal of clinical chemistry and clinical biochemistry. Zeitschrift fur klinische Chemie und klinische Biochemie 1989
O W van Assendelft W G Zijlstra

The "alkaline haematin D-575" method for determining haemoglobin, described by Zander et al. [1984) Clin. Chim. Acta 136, 83-93) was tested. Claims that different non-ionic detergents in the reagent result in identical values for the haemoglobin concentration being measured could not be verified. It could also not be verified that a stable end-product with unique spectral characteristics is alw...

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