| Abstract |
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Phenolphthalein renders pink color visualization on dissociation. It is an important constituent often used in solving bribe trap cases. An alkaline hand wash of phenolphthalein powder, smeared on a currency note, confidential paper, and other official documents was originating pink color. Its presence was determined by various analytical methods. But in many cases, the visualization of pink color becomes faded with time. Further, this problem was minimized by adding a small amount of hydroquinone. Na2CO3 or KOH bases were used to collect smeared phenolphthalein powder by hand wash of suspected person. The shreds of transferred evidence were collected from the accused body, hand and clothes are submitted to further examination in Forensic Science Laboratories (FSLs). In this review article, TLC, IR, UV-Visible Spectrophotometer, HPLC, and LC-MS/MS analytical method was used for analysis. Our aim and concern are concise to test the presence of phenolphthalein, using various analytical techniques. That can help establish scientific evidence in criminal bribery trap cases. |
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