نتایج جستجو برای: dehydroacetic acid

تعداد نتایج: 747443  

Journal: :Analytical sciences : the international journal of the Japan Society for Analytical Chemistry 2012
Yong-Gang Zhao Xiao-Hong Chen Shan-Shan Yao Sheng-Dong Pan Xiao-Ping Li Mi-Cong Jin

A reversed-phase high-performance liquid chromatography (RP-HPLC) method was developed for the simultaneous determination of nine food additives, i.e., acesulfame, saccharin, caffeine, aspartame, benzoic acid, sorbic acid, stevioside, dehydroacetic acid and neotame in red wine. The effects of ion-suppressors, i.e., trifluoroacetic acid (TFA) and ammonium acetate (AmAc) on retention behavior of...

Journal: :Journal of chromatography. A 2004
E Marengo V Gianotti S Angioi M C Gennaro

Particular attention are recently receiving antimicrobial agents added as preservatives in hygiene and cosmetics commercial products, since some of them are suspected to be harmful to the human health. The preservatives used belong to different classes of chemical species and are generally used in their mixtures. Multi-component methods able to simultaneously determinate species with different ...

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