Preparation and Antiscalant Properties of Fluorescent and Hydroxyl-Modified Polyaspartic Acid:A Recommended Comprehensive Chemistry Experiment
A comprehensive experiment was devised focusing on the preparation,characterization,and antiscalant performance of fluorescent and hydroxy-modified polyaspartic acid.Initially,a water-soluble fluorescent material and polysuccinimide(PSI)were synthesized.The PSI was then modified using the fluorescent material and ethanolamine,followed by alkaline hydrolysis to obtain the target antiscalant.The antiscalant was characterized using 1H NMR,gel permeation chromatography,and fluorescence spectrophotometry,and its antiscalant efficacy was evaluated through static scaling tests.This experiment integrates concepts from polymer chemistry,organic chemistry,and analytical chemistry,embodying the scientific research process of"synthesis-characterization-analysis".It emphasizes the research thinking model of"substance-structure-property",aiming to cultivate students'experimental proficiency and research capabilities.
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