Cupferron is the ammonium salt of N-nitrosophenylhydrazine and is a general reagent for metal ion complexes. Its molecular formula is C6H9N3O2. Its anion is coordinated with two oxygen atoms and metal ions to form a five-dentate chelate.
Alias: N-Nitroso-N-phenyl-hydroxylamin, Ammonium-Salz, Kupferon, etc., usually white or light yellow bright scaly crystals, sweet taste, and the color will become darker after long time.
Cupferron is soluble in water and ethanol, and can form a water-insoluble complex with copper, iron, aluminum, titanium, etc., and can be extracted by organic solvents such as chloroform and ethyl acetate.
The Cupferron reagent is decomposed by heat to generate nitrobenzene, which is unstable in light and air. It needs to be stored in a brown ground-top reagent bottle. Usually a small amount of ammonium carbonate wrapped in paper or cloth is placed in the bottle as a preservative, and it is sealed and protected from light. In the shade.
Cupferron powder can be used as a precipitation agent and solvent extraction agent for copper, iron, tin, titanium, vanadium, chromium and other elements, and as a masking agent for the determination of rare earths.
Note: Due to reasons such as product and time, the above related methods are for reference only, and the actual operation should be carried out according to actual needs.
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