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1.The optimum pH of the sample solution was 6. The detection limit is 0. 14μg/mL for lemon yellow, 0.20μg/mL for amaranth, 0.29μg/mL for cochineal, 0. 25μg/mL for sunset yellow and 1.04 mg/kg for bright blue respectively.
柠檬黄、苋菜红、胭脂红、日落黄、亮蓝的检出限分别为0.14、0.20、0.29、0.25、1.04μg/mL。收藏指正
2.8 Kinds of food additives, tartrazine, amaranth, benzoic acid, saccharine, sorbic acid, ponceau 4R, sunset yellow FCF and brilliant blue FCF in fruit juices were simultaneously determined by reversed phase-high performance liquid chromatography(RP-HPLC) on a Hypersil BDS C18 column(5 μm, 250 mm×4 mm i.d.)
建立了反相高效液相色谱法（RP－HPLC）同时直接测定进口果汁中柠檬黄和苋菜红等8种添加剂含量的方法。收藏指正
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