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- Determination of Residual Ethyl Acetate in Prednisone Acetate 醋酸泼尼松中乙酸乙酯残留量的测定
- Content Determination of Residual Ethyl Acetate in Total Phenolic Acid of Silvia miltiorrhiza by Gas Chromatography 丹参总酚酸中残留醋酸乙酯的顶空气相色谱法测定
- Determination of Residual Ethyl Acetate in Green Tea Extract by Headspace Gas Chromatography 顶空气相色谱法测定绿茶提取物中乙酸乙酯残留量
- residual ethyl acetate 乙酸乙酯残留量
- Capillary gas chromatography method with FID detector for the determination of residual organic solvents alcohol,ethyl acetate and methanol in sodium aescinate is presented. 用毛细管气相色谱法测定七叶皂苷钠中有机溶剂残留量,操作简单,实验结果准确可靠。
- Ethyl acetate(71. 41b)was added to the slurry in the vessel. 把醋酸乙酯71.;4磅加到容器中的浆液内。
- No ethyl acetate and cyclohexane were determined in specimen. 被测样品中未检测出环己烷,检出乙酸乙酯。
- A wide bore HP-fast GC residual solvent column was performed, and the effects of the equilibrium temperature and equilibrium time on the determination of ethyl acetate were studied. 试验采用大口径HP-快速GC残留溶剂柱为分离柱,对顶空平衡温度、平衡时间对残留有机溶剂乙酸乙酯测定的影响进行了分析研究。
- The method for determining the content of residual solvents ethanol,dichloromethane,ethyl acetate,pyridine in isradipine by headspace capillary gas chromatography was developed with a good linearity. 建立测定伊拉地平中有机溶剂乙醇、二氯甲烷、乙酸乙酯、吡啶残留量的顶空毛细管柱气相色谱法。
- In benzene or ethyl acetate solution rates increase linearly with methyl methacrylate concentration. 在苯或乙酸乙酯溶液中其衰减速度随甲基丙烯酸甲脂浓度呈直线地增大。
- Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene, ethyl acetate and n-butyl alcohol. 结果表明:溶解聚苯乙烯的理想溶剂为二甲苯、酸乙酯和正丁醇的混合溶剂。
- STUDY ON CHEMICAL CONSTITUENTS IN ETHYL ACETATE FRACTION OF ALCOHOLIC EXTRACT FROM THE FLOWER OF BOMBAX MALABARICUM DC. 木棉花醇提物中乙酸乙酯溶解组分的化学成分研究。
- Ethyl butanoate, 1-butanol, 3-methyl-butyl acetate, ethyl acetate and ethyl 2-methyl-butanoate were main aroma compounds of Fuji fruit. 富士苹果果实主要香气成分为丁酸乙酯、1-丁醇、乙酸3-甲基丁酯、乙酸乙酯和2-甲基丁酸乙酯。
- The antioxdant components were found in the ethyl acetate extract from stem of this plant. 从该植物茎乙酸乙酯的分离物中找到具有抗氧化活性的组分。
- The extracts from Actinidia arguta by ethyl acetate have good inhibitory effect on Eca-109 cells. 藤梨根乙酸乙酯提取物能有效抑制人食管癌Eca-109细胞生长。
- By using ethyl acetate and water as extractant,oligoprocyanidins were extracted from grape seeds. 介绍了用乙酸乙酯/水作溶剂从葡萄籽中提取低聚原花色素的方法。
- Solvents of dissolution PS plastic foam are mix solvents of dimethylbenzene,ethyl acetate and n-butyl alcohol. 结果表明:溶解聚苯乙烯的理想溶剂为二甲苯、乙酸乙酯和正丁醇的混合溶剂。
- METHODS: Volatile oil was gained by steam distillation and extracted with ethyl acetate in Hypericum Scabraum. 方法:本文用水蒸气蒸馏,乙酸乙酯萃取法提取腺点金丝桃挥发油。
- Most other processes use chemical solvents, like Methylene Chloride or Ethyl Acetate to decaffeinate coffee beans. 而通常这个过程,有些工艺会使用二氯甲烷(用作萃取剂)或乙酸乙酯(用作溶剂)等。
- Methods:The specimens were alkalized and extracted with ethyl acetate,then analyzed by GC/MS. 方法:样品在碱性的条件下用乙酸乙酯萃取,GC/MS分析。