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《Jiangxi Chemical Industry》 2002-01
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Simultaneous Spectrophotometric Determination of preservative and sweet-agent in foods

Ni Yongnian LiDonghua (Department of Chemistry,Nanchang University,Nanchang,330047)$$$$  
A sensitive method was presented for the determination of benzoic acid,sorbic acid and saccharin sodium.The spectrophotometric data between 200nm and 290nm were collected at 2nm intervals and then fed into a computer and processed by a Radial Basis Network using program written in MATLAB.Relative predictive errors arel.60%?5.23%and 1.21%,respectively.Such method was employed to delermine benzoic acid and saccharin sodium in foods.with recoveries of 95.0%-105.0%.
【CateGory Index】: O657.3
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