92 中文名称: 2-吡啶乙醇 英文名称: 2-Pyridineethanol 产品规格: 98% 产品价格: 电议 CAS 编号: 103-74-2 产品介绍: 包装(1) : 5G 包装(2) : 100G 包装(3) : 50
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采用毛细管气相色谱法,以外标法测定枸橼酸托烷司琼中乙醇、二氯甲烷、氯仿、四氢呋喃、二烷、吡啶和甲苯的含量,用串联的HP - 1 0。
A simple capillary GC method for the determination of residual ethanol, dichloromethane, chloroform, tetrahydrofuran, 1, 4 dioxane, pyridine and toluene in tropisetron citrate was established.
探讨了如何控制在均相条件下以高脱乙酰度的壳聚糖为主要原料,在乙酸水溶液- 乙醇- 吡啶介质中实现壳聚糖N位乙酰化反应的问题;
By high acetylation of chitosan at N position with acetic anhydride in a homogeneous medium known as acetic solution–alcohol-pyridine system, water-soluble chitosan was prepared.
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