1 Determination of Hg2+ by diphenylcarbazone compound in polymer film https://jourcc.com/index.php/jourcc/article/view/jcc115 10.29252/jcc.1.1.5 20.1001.1.26765837.2019.1.1.5.4 1 A sensitive optical sensor for determining Hg2+ concentration has been prepared by incorporating the indicator dye, diphenylcarbazone, into cellulose acetate polymer film. The sensor was fabricated by binding diphenylcarbazone to a cellulose acetate film that had been previously subjected to exhaustive base hydrolysis. The method is easy to perform and uses acetyl cellulose as a carrier. The results showed that the sensor has the ability to determine the Hg2+ concentration with ±6% error. Also, the adsorption capacity was 3.41 × 10-3 mmol/g. 27 30 Asghar Kazemzadeh Materials and Energy Research Center Iran ASG642001@Yahoo.com Hooman Kazemzadeh Tehran University of Medical Science Iran info@jourcc.com Optical sensor Mercury determination Diphenylcarbazone compound Cellulose acetate Article5.pdf [1] I. 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