Zhang Sheng-wana
2008
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Journal
The Chemical Engineer
Abstract
The optimum conditions of the color reaction of 2-Acetylbutyrolactone with iron(Ⅲ) is studied and reported in this paper.In acid aqueous solution,ABL can react with iron(Ⅲ) to form a stable complex.λmax=555nm,Beer's law is obeyed in range of 0.05%~0.50%,R=0.9999.The recoveries of standard added samples are 98.52%~101.22%.This reaction has been employed for the quality control of 2-Acetylbutyrolactone in the process of industrial production.The result is close to the number which measured by gas chromatography.