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Definition of the maintenance of vanadium


The vanadium maintenance in neftjah and mineral oil found a method of direct ardent atomic absorption spectrometry on a spectrophotometer "AAS-1N". The hallmark solution was pulverised in a flame atsetilen-zakis nitrogen.
The parity проба:растворитель changed from 1:4 till 1:20, depending on viscosity of hallmark and concentration of a defined element. As solvent used a mix ortoksilola 80 %, acetone of 10 % and ethanol of 10 % ob./about. Concentration of an element defined under calibration curves, using as standards - dibutilditiokarbamat V in the above-stated mix of the solvents, received kulonometricheski by a technique [112].
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A source: Tagirzjanov, Marseilles Ilgisovich. ASPHALTENES VANADIJSODERZHASHCHIH neftej (on an example of oil objects of deposits of Tatarstan) the Dissertation on competition of a scientific degree of a Cand.Chem.Sci. Kazan - 2003. 2003

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