Extraction and Spectrophotometric Determination of Nickel(II) With 4-Chloronitrosoacetophenone Semicarbazone

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A new spectrophotometry method has been developed for the determination of Nickel (II) using 4-chloroisonitrosoacetophenone semicarbazone as a reagent. The reagent reacts with Ni(II) to give a brown coloured complex which can be quantitatively extracted into chloroform at pH 7.8 - 8.0. Molar absorptivity at 368 nm is observed to be 3.38756 x 105. Beer's law is obeyed in the range 0.15 ug to 19 ug. The proposed method has been used for analysis of Ni(lI) in real samples like hydrogenated oil, steel and brass.

Spectrophotometric; 4-Chloronitrosoacetophenone; Quantitatively; Extracted