脱氢乙酸

脱氢乙酸（DHA）为白色或淡黄色结晶粉末，是一种重要的化工原料、中间体和增韧剂，也是一种广谱性的低毒高效防腐、防霉剂。

Dehydroacetic acid ( DHA ) as a white or light yellow crystalline powder , is an important chemical raw materials , intermediates and toughening agents , is also a broad spectrum , low toxicity and efficient anti-corrosion , mildew .

桔子汁中脱氢乙酸的气相色谱快速测定方法研究

Developing a quick method for detection of dehydroacetic acid in orange juice

气相色谱内标法测定食品中防腐剂脱氢乙酸、苯甲酸和山梨酸

Determination of dehydroacetic acid and sorbic acid and benzoic acid in food by gas chromatography internal standard method

月饼中安赛蜜、糖精钠、苯甲酸、山梨酸、脱氢乙酸检测方法的研究

Simultaneous Determination of Acesulfame-K , Saccharin Sodium , Benzoic Acid , Sorbic Acid and Dehydroacetic Acid in Moon Cake by HPLC

通过实验考察了负载量、煅烧温度和煅烧时间等固体碱催化剂制备条件对脱氢乙酸产率的影响。

The effects of loading , calcination temperature and calcination time on the solid base catalyst preparation conditions on the yield of dehydroacetic acid .

CNY－101型乙醇脱氢制取乙酸乙酯催化剂研究

Study of CNY 101 type catalyst for dehydrogenation of ethanol to ethyl acetate

乙醇脱氢制乙酸乙酯反应尾气中微量有机组份的气相色谱分析

Analysis of trace organic components in the tail gas from dehydrogenation of ethanol to ethyl acetate ey GC

负载型铜基催化剂上乙醇脱氢直接合成乙酸乙酯

Direct Synthesis of Ethyl Acetate by Dehydrogenation of Ethanol Over Copper based Catalysts

甲醇－乙醇脱氢法合成乙酸甲酯

Direct synthesis of methyl acetate from methanol and ethanol

在Cu／Zn／Al／Zr催化剂上由甲醇、乙醇脱氢一步合成乙酸甲酯。

Ethyl acetate was synthesized in one step by dehydrogenation of methanol and ethanol over Cu / Zn / Al / Zr catalyst .