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- An ester or a salt of perchloric acid. 高氯酸鹽
- The results indicate that the product yield of perchloric acid reaches 80%. 實(shí)驗結果表明,可以得到產(chǎn)率80%25以上的高氯酸。
- The method is simple, fast and accurate, compared with conventional perchloric acid dehydrate gravimetric analysis. 該法較常用的高氯酸脫水重量法操作簡(jiǎn)單、速,具有較好的準確度。
- Total Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration, Test Method for (05. 用電勢高氯酸滴定法測定石油產(chǎn)品總堿值的試驗方法(05。
- After freezing, the tissue is powdered and the enzymes are inactivated by precipitation with perchloric acid. 冷凍之后，組織被粉碎，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. 該法較常用的高氯酸脫水重量法操作簡(jiǎn)單、快速,具有較好的準確度。
- A new method for determination of starch content with perchloric acid is developed. 采用高氯酸法測定紡織品中的淀粉含量。
- 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擾峰。
- Lily powder was pre-treated by nitric acid and perchloric acid before determination. 百合經(jīng)過(guò)硝酸、高氯酸處理后,再用原子吸收分光光度法測定其微量元素含量。
- The sample was dissolved in nitric acid and hydrofluoric acid,and perchloric acid fume was used to destroy fluorine. 試樣以硝酸、氫氟酸溶解,用高氯酸冒煙驅除氟。
- Inthe process of treating sample the perchloric acid is not allowed to evaporate to dryness. 在我國以陜西紫陽(yáng)縣及湖北恩施兩地出產(chǎn)的茶葉含硒最高（平均0...
- How to circumvent the interferences of other acid during the non-aqueous titration of basic drugs with perchloric acid? 非水滴定法中常見(jiàn)酸根的影響如何消除？
- The methods of determination of nucleic acid content by using nitric acid and perchloric acid or sulfuric acid and hydrogen peroxide are reviewed. 分別用硝酸、高氯酸消化試樣與硫酸、過(guò)氧化氫消化試樣方法對比，采用定磷法測定樣品中核酸含量。
- Ammonium perclilorate is reacted with ethylenediamine in excess and then the excessive ethylenediamine is neutralized with perchloric acid. 用過(guò)量的乙二胺與高氯酸銨反應,過(guò)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:比較3種顯色方法的優(yōu)劣,選用高氯酸法作為總皂苷的含量測定方法。
- A new Preparation of perchloric acid and sodium chlorite from sodium chlorat via self-oxidation-reduction reaction is reported. 報道了在一定條件下,用氯酸鈉通過(guò)歧化反應制備高氯酸和亞氯酸鈉。
- Comparing sour alkali soak with perchloric acid soak, there is a remarkable difference, sour alkali soak results on the lower side. 結果表明,酸堿浸提與高氯酸浸提處理的樣品,二者的測定結果存在顯著(zhù)差異,以酸堿浸提法結果偏低。
- 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. 本文利用自制簡(jiǎn)易氫化物發(fā)生裝置,將普通常壓濕法消化后的食品、飲料及加標礦泉水試樣進(jìn)行常規火焰原子吸收光譜法分析。
- 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). 以玉米淀粉為原料,經(jīng)環(huán)氧氯丙烷交聯(lián)、醚化,合成醚化淀粉3-氯-2-羥基丙烯基交聯(lián)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結晶紫為指示劑;用0
