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Abstract
A chromatographic method based on a combination of single-column ion-chromatography separation with a bulk-acoustic-wave double-cell quartz crystal (DCQC) detector quantification for the determination of cyclamate in foodstuffs and body fluids was developed. The chromatographic system involves the use of a Shimadzu IC-A1 column with 5mM o-phthalic acid/methanol (90:10 V/V) as a mobile phase. The method exhibits an acceptable detection limit and anti-interference ability. The DCQC detector has a low temperature coefficient and high conductance sensitivity. Foodstuff and body fluid sample such as ice cream, beverage, dried fruit of Areca catechu L., and urine were analysed successfully.
ACKNOWLEDGMENTS
The Natural Science Foundation of China supported this work. Present address for Po Chen: Hunan Anti-Epidemic and Health Station, Changsha 410005, P.R. China. Present address for Ying Zhang: Changsha Sanitation Quarantine Bureau, Changsha 410001, P.R. China.