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- An ester or a salt of perchloric acid. 高氯酸盐
- 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。
- 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。
- 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。
- 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？
- 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。
- Ammonium perclilorate is reacted with ethylenediamine in excess and then the excessive ethylenediamine is neutralized with perchloric acid. 用过量的乙二胺与高氯酸铵反应,过量部分的乙二胺用高氯酸中和。
- METHODS: After comparing three chromogenic method, perchloric acid choosed as the chromogenic agent to determine total saponins. 方法:比较3种显色方法的优劣,选用高氯酸法作为总皂苷的含量测定方法。
- A new Preparation of perchloric acid and sodium chlorite from sodium chlorat via self-oxidation-reduction reaction is reported. 报道了在一定条件下,用氯酸钠通过歧化反应制备高氯酸和亚氯酸钠。
- Comparing sour alkali soak with perchloric acid soak, there is a remarkable difference, sour alkali soak results on the lower side. 结果表明,酸碱浸提与高氯酸浸提处理的样品,二者的测定结果存在显著差异,以酸碱浸提法结果偏低。
- Se and As in food, drinking, and mineral water samples were determined by simple HG-AAS after the sample dissolving technology using nitric acid and perchloric acid. 本文利用自制简易氢化物发生装置,将普通常压湿法消化后的食品、饮料及加标矿泉水试样进行常规火焰原子吸收光谱法分析。
- Cross-linked starch(CS) was reacted with epichlo-rohydrin (EPH) in the presence of perchloric acid to produce 3-chloro-2-hydrooxypropyl cross-liked starch (CHCS). 以玉米淀粉为原料,经环氧氯丙烷交联、醚化,合成醚化淀粉3-氯-2-羟基丙烯基交联淀粉。
- In the method glacial acetic acid was used as solvent,and(0.2%) viola crystalline was used as indicator. Betaine hydrochloride was titrated by(0.1) mol/L perchloric acid solution. 以冰醋酸作溶媒;以0.;2%25结晶紫为指示剂;用0
