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- perchloric acid anhydride 高氯酸酐
- perchloric acid anhydrid 七氧化二氯; 高氯酸酐
- An ester or a salt of perchloric acid. 高氯酸盐
- Methods Non-aqueous titration method was ~performed with glacial acetic acid and acetic anhydride as the solvent, and perchloric acid as the titrant followed by the electric potential titrimetry. 方法采用电位滴定法,以冰乙酸加乙酐作溶剂,照电位滴定法用高氯酸滴定液滴定。
- The results indicate that the product yield of perchloric acid reaches 80%. 实验结果表明,可以得到产率80%25以上的高氯酸。
- The method is simple, fast and accurate, compared with conventional perchloric acid dehydrate gravimetric analysis. 该法较常用的高氯酸脱水重量法操作简单、速,具有较好的准确度。
- Total Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration, Test Method for (05. 用电势高氯酸滴定法测定石油产品总碱值的试验方法(05。
- After freezing, the tissue is powdered and the enzymes are inactivated by precipitation with perchloric acid. 冷冻之后,组织被粉碎,其中的酶用高氯酸迅速失活。
- The method is simple,fast and accurate,compared with conventional perchloric acid dehydrate gravimetric analysis. 该法较常用的高氯酸脱水重量法操作简单、快速,具有较好的准确度。
- N-Carboxy-alanine acid anhydride (NCA) was synthesized by L-alanine and Triphosgen. 摘要利用L-丙氨酸和三聚光气反应制备了N-羧基-丙氨酸-环内酸酐(NCA)。
- A new method for determination of starch content with perchloric acid is developed. 采用高氯酸法测定纺织品中的淀粉含量。
- Amines were extracted with perchloric acid solution and derived with dansyl chloride. 高氯酸溶液提取,丹酰氯衍生,再用氨水去除尸胺干扰峰。
- Phosphorus Pentoxide, also called Phosphoric Acid Anhydride, is a white, spiculate crystal. 五氧化二磷又名磷酸酐,白色针状晶体。
- Lily powder was pre-treated by nitric acid and perchloric acid before determination. 百合经过硝酸、高氯酸处理后,再用原子吸收分光光度法测定其微量元素含量。
- The sample was dissolved in nitric acid and hydrofluoric acid,and perchloric acid fume was used to destroy fluorine. 试样以硝酸、氢氟酸溶解,用高氯酸冒烟驱除氟。
- The organic compounds are mainly benzoic acid anhydride, benzophenone, and so on. 生成的有机化合物成分比较复杂,主要成分有苯甲酸酐、二苯甲酮等。
- Inthe process of treating sample the perchloric acid is not allowed to evaporate to dryness. 在我国以陕西紫阳县及湖北恩施两地出产的茶叶含硒最高(平均0...
- How to circumvent the interferences of other acid during the non-aqueous titration of basic drugs with perchloric acid? 非水滴定法中常见酸根的影响如何消除?
- Compared with the amine curing agent, the casting epoxy resin cured by the acid anhydride has higher flashover voltage. 实验结果表明:酸酐固化的试样比胺类固化试样闪络电压要高;
- The methods of determination of nucleic acid content by using nitric acid and perchloric acid or sulfuric acid and hydrogen peroxide are reviewed. 分别用硝酸、高氯酸消化试样与硫酸、过氧化氢消化试样方法对比,采用定磷法测定样品中核酸含量。