1) citric acid anhydride
柠檬酸酐
1.
Structure of citric acid anhydride was proved to be five-number cyclo-anhydride by IR spectrum and its molecular .
以柠檬酸和乙酸酐为原料,乙酸为溶剂合成柠檬酸酐。
2.
The citrate monoesters, which were synthesized by citric acid anhydride and fatty alcohols of different carbon chain were carried out in this paper.
本文以柠檬酸和乙酸酐为原料合成柠檬酸酐,再用柠檬酸酐与脂肪醇反应制备柠檬酸酯。
2) citric anhydride
柠檬酸酐
1.
The optimum conditions for preparing the intermediate citric anhydride were that molar ratio of citric acid to acetic anhydride was 2.
以乙酸酐、柠檬酸为原料 ,合成柠檬酸酐中间体 ,n(柠檬酸 )∶n(乙酸酐 ) =2 0∶1 0 ,温度36～ 37℃下 ,反应时间 18h ,收率为 71 0 % ;酯化反应 ,n(柠檬酸酐 )∶n(月桂醇 ) =1 0∶1 1,温度 85～ 90℃ ,反应时间 2 0h ,单酯的收率为 83%～ 84 %。
2.
The intermediate citric anhydride which was a water base cutting fluid of anti-rust and lubricant additive was synthesized by citric acid and acetic anhydride.
以柠檬酸、乙酸酐、乙酸为原料合成一种水基切削液防锈润滑添加剂的中间体—柠檬酸酐。
3) citric acid/sodium citrate
柠檬酸/柠檬酸钠
4) citric acid
柠檬酸
1.
Effects of EDDS and citric acid on release and mobilization of heavy metals from black soil;
乙二胺二琥珀酸和柠檬酸对黑土中外源重金属的活化效应
2.
Extraction of citric acid in multi-matrix by liquid phase microextraction;
复杂基质中柠檬酸的液相微萃取
5) citrate
[英]['sitreit] [美]['sɪtret]
柠檬酸盐
1.
Mechanism of flue gas desulfurization with citrate solution;
柠檬酸盐法烟气脱硫机理
2.
Study on low temperature electroless nickel plating from citrate bath;
柠檬酸盐体系低温化学镀镍的研究
3.
Determination of free citrate in citrate electrolytic copper stripping solution;
柠檬酸盐电解退铜液中游离柠檬酸根浓度的分析
6) citrate
[英]['sitreit] [美]['sɪtret]
柠檬酸
1.
Kinetic Study on the Removal of Tb~(3+) from Tb_c-Apotransferrin by Citrate;
螯合剂对稀土-转铁蛋白配合物的影响Ⅲ——柠檬酸脱除Tb_c-Tf中铽(Ⅲ)的动力学研究
2.
High-performance capillary electrophoresis for determination of urinary citrate and oxalate;
高效毛细管电泳法测定尿液中柠檬酸盐、草酸盐的含量
3.
Citrate Sol-Gel Process of SnO_2 Nanopowder and Its Gas Sensing Properties;
柠檬酸溶胶-凝胶法合成纳米SnO_2及其气敏性
补充资料：柠檬苦素、柠檬烯、白鲜内酯
分子式：
CAS号：
性质：又称柠檬苦素、柠檬烯、白鲜内酯。三萜类苦味素,无色结晶(由二氯甲烷-异丙醇或醋酸中结晶)。熔点297～298℃(分解)。旋光度[α]D-128°(c=1.21,丙酮)。溶于乙醇和冰醋酸,微溶于水和乙醚。植物来源有芸香科植物黄柏(Phellodendron amurense Rupr.)的皮,自鲜(Dictamnus alba L.)的皮等。具有驱虫、抗溃疡、降血糖作用,还能使肠管弛缓,缩短α氯醛糖和乌拉坦引起的小鼠睡眠时间。
CAS号：
性质：又称柠檬苦素、柠檬烯、白鲜内酯。三萜类苦味素,无色结晶(由二氯甲烷-异丙醇或醋酸中结晶)。熔点297～298℃(分解)。旋光度[α]D-128°(c=1.21,丙酮)。溶于乙醇和冰醋酸,微溶于水和乙醚。植物来源有芸香科植物黄柏(Phellodendron amurense Rupr.)的皮,自鲜(Dictamnus alba L.)的皮等。具有驱虫、抗溃疡、降血糖作用,还能使肠管弛缓,缩短α氯醛糖和乌拉坦引起的小鼠睡眠时间。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条