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- Synthesis method of dehydroacetic acid was introduced in the paper , and its new uses was pointed out. 本文介绍了国内外醋酸工业的现状与发展趋势,并对我国醋酸工业的发展提出了几点看法。
- The structure of dehydroacetic acid was confirmed by IR, 1 HNMR, 13 CNMR and MS. 对所合成的产物通过IR、1HNMR、13CNMR和MS分析,表征了其分子结构。
- HPLC is applied to the separation and determination of acesulfame,benzoic acid,saccharin,saccharin and dehydroacetic acid in foods. 建立食品中安赛蜜、苯甲酸、山梨酸、糖精钠、脱氢乙酸等甜味剂和防腐剂的高效液相色谱测定法。
- The optimum reaction conditions for synthesis of dehydroacetic acid are investigated by cha nging reaction conditions and catalysts. 脱氢醋酸的工业生产方法有双乙烯酮法和乙酰乙酸乙酯法。
- Dehydroacetic acid was synthesized from acetacetic ether, and the influent factors of productive rate were investigated. 研究了以乙酰乙酸乙酯为原料合成脱氢醋酸过程中,催化剂的种类、用量以及反应时间对产物得率的影响。
- To develop a solid phase extraction-high performance liquid chromatography method for determination of dehydroacetic acid,benzoic acid,sorbic acid in cake and pastry. 建立了固相萃取-高效液相色谱法测定糕点中的脱氢乙酸、苯甲酸、山梨酸的方法。
- Study on Synthesis of Dehydroacetic Acid 脱氢醋酸的合成研究
- dehydroacetic acid (DHA) 脱氢乙酸
- The safty,identification,and application of sorbic acid and sorbate, benzoic acid and benzoate,dehydroacetic acid and dehydroacetate in meat products were introduced in this paper. 介绍了山梨酸及其盐类、苯甲酸及其盐类、脱氢醋酸及其盐类等防腐剂的安全性、鉴别方法及肉制品中使用情况。
- Synthesis and Structural Characterization of Dehydroacetic Acid 脱氢醋酸的合成与结构表征
- Method for determination of dehydroacetic acid in foods 食品中脱氢乙酸的测定方法
- Keywords Ultraviolet Spectroscopic brightness;Ham infection;Dehydroacetic acid; 紫外分光光度;火腿肠;脱氢乙酸钠;
- The Antiseptic Action of Sodium Dehydroacetic Acid and Calcium Propionate in Bread 脱氢醋酸钠、丙酸钙及其复配在面包中的防腐作用
- He gave me a taste of his acid wit. 他让我尝到了他敏锐尖刻之机智的滋味。
- Acid irritates the stomach lining. 酸能刺激胃黏膜。
- Acid had pitted the surface of the silver. 酸把银器的表面腐蚀了。
- Keywords dehydroacetic acid;diethenone process;ethyl acetoac etate process;triethylene diamine; 关键词脱氢醋酸;双乙烯酮法;乙酰乙酸乙酯法;三乙烯二胺;
- Because fish has an important kind of fatty acid called DHA. 因为鱼具有一种重要的脂肪酸:DHA。
- Keywords HPLC;Food;Acesulfame-K;Benzoic acid;Sorbic acid;Saccharin sodium;Dehydroacetic acid; 高效液相色谱;食品;安赛蜜;苯甲酸;山梨酸;糖精钠;脱氢乙酸;
- Keywords HPLC;acesulfame;benzoic acid;saccharin;saccharin acid;dehydroacetic acid; 高效液相色谱仪;安赛蜜;苯甲酸;山梨酸;糖精钠;脱氢乙酸;