Nitrosyl complexes metal hydroxides

In every variant of the Kjeldahl process, the blank value is of decisive importance. In particular, the acids used for the digestion process may contain nitrogen-oxygen compounds such as nitrates or nitrosyl complexes (for example the sulfuric acid). In the normal way in which the blank value is determined - the addition of strong sodium hydroxide solution and steam distillation - these compounds are however not determined. All what is determined are any ammonium impurities that may be present. However, if a reactive metal such as zirconium (and also titanium)... 

Carbonyl Nitric Oxides. Another group of metal-carbonyl complexes, worthy of investigation as CVD precursors, consists of the carbonyl nitric oxides. In these complexes, one (or more) CO group is replaced by NO. An example is cobalt nitrosyl tricarbonyl, CoNO(CO)3, which is a preferred precursor for the CVD of cobalt. It is a liquid with a boiling point of 78.6°C which decomposes at 66°C. It is prepared by passing NO through an aqueous solution of cobalt nitrate and potassium cyanide and potassium hydroxide. ... 

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