Nasrin Mozaffarinia
Department of Analytical Chemistry, Faculty of Chemistry, Razi University, Kermanshah, Iran
[ 1 ] - Response Surface Methodology in Spectrophotometric Determination of Formaldehyde Using Ch romotropic Acid
Formaldehyde in small quantities is commonly analyzed by spectrophotometric methods. One of the most-commonly used spectrophotometric techniques for this purpose is based on the reaction with chromotropic acid. Because of its simplicity, sensitivity, selectivity and its low cost, it is still widely used. Investigations for replacing the concentrated sulfuric acid with other acids or using more ...
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