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- titration with ceric salts 铈量法
- The electrooxidation of ceric salts ,the synthesis of aromatic aldehydes and the problems of this method in commercial production are all discussed. 对铈盐电氧化、芳醛的合成及本法工业化中存在的问题进行了讨论。
- Grafting polymerization of acrylic acid onto flax initiated by ceric salt has been studied. 研究了利用铈盐引发丙烯腈与亚麻接枝共聚反应。
- What kind of barbitals can be assayed by the potentiometric titration with silver nitrate? 哪些巴比妥药物能用银量法进行含量测定?为什么?
- In contrast, no sign indicated that the macromonomer was grafted onto the original starch when the ceric salt was used as redox initiating system. 制备了具有高接枝效率及单体转化率的淀粉-醋酸乙烯酯接枝共聚物。
- Graft copolymerizaton of bleached eucalyptus pulp with glycidyl methacrylate(GMA)using a ceric salt initiator system was studied in detail. 研究了铈盐引发体系引发漂白化学桉木浆与甲基丙烯酸缩水甘油酯(GMA)的接枝共聚。
- In the presence of acetic acid and polyethylene glycol,phenol reacted with ceric ammonium nitrate to from 2,4-dinitrophenol. 在醋酸、相转移催化剂聚乙二醇存在下,苯酚与硝酸铈铵反应生成2,4-二硝基苯酚。
- In the presence of acetic acid and polyethylene glycol,anthracene reacts with ceric ammonium nitrate and sodium bromate to form 1-nitroanthraquinone. 在醋酸、聚乙二醇存在下,蒽与硝酸铈铵和溴酸钠反应生成1-硝基蒽醌。
- The concentration of FeSO4 was determined by micro titration with a novelly designed pipette and KMnO4 standard solution. 摘要将微型滴定用于硫酸亚铁含量的测定,设计并使用与微型滴定管精度一致的移液管,比较了微型滴定与常量滴定的测定结果。
- In this presence of water and polyethylene glycol, anthracene reacts with ceric ammonium nitrate and sodium bromate to form anthrone. 在醋酸、聚乙二醇存在下,蒽与硝酸铈铵和溴酸钠反应生成1-硝基蒽醌。
- It is titrated with standard solution KOH in KCI supporting electrolyte. 在KCI的底液中,用KOH标准溶液进行直接滴定。
- The sulfur content in Plant leaf is determined by high temperature catalysis-coulomb titration with the RSD is 1.5% and the accuracy is 99.7%. 摘要采用高温催化-库仑滴定法测定植物叶片中的硫含量,相对标准偏差为1.;5%25,准确度为99
- Keywords flax;grafting polymerization;ceric salt; 亚麻;接枝共聚;铈盐;
- The sulfur content in Plant Ieaf is determined by high temperature catalysis-coulomb titration with the RSD is 1.5% and the accuracy is 99.7%. 采用高温催化-库仑滴定法测定植物叶片中的硫含量;相对标准偏差为1.;5%25;准确度为99
- The concentration of FeSO 4 was determined by micro titration with a novelly designed pipette and KMnO 4 standard solution. 将微型滴定用于硫酸亚铁含量的测定,设计并使用与微型滴定管精度一致的移液管,比较了微型滴定与常量滴定的测定结果。
- Acids react with bases to form salts. 酸与碱反应生成盐。
- Oscillographic voltammetric titration with i_f-E curve is a new oscillographic titrimetric method using the peak on i_f-E curve for end-point indication. 利用交流示波极谱法中i_f-E曲线来指示滴定终点的容量分析方法,叫做i_f-E曲线示波极谱滴定法。
- Using citrate as complex, the total acidity of zinc dihydrogen phosphate and zinc nitrate was determined by the titration with sodium hydroxide standard solution. 摘要用柠檬酸盐作络合剂,氢氧化钠标准溶液滴定,测定磷酸二氢锌和硝酸锌的总酸度;
- The analytical method of sodium carbonate,sodium hydrogen carbonate and total alkality in natural alkali was studied by combining nonwater titration with acid-base titration. 研究了非水滴定和酸碱滴定相结合测定天然碱中碳酸钠、碳酸氢钠和总碱度的分析方法;
- Graft copolymerizations of butyl acrylate(BA) onto starch(S) were carried out with ceric ammonium nitrate as initiator, and influence of starch pasting on graft reaction is tested. 以硝酸铈铵为引发剂将丙烯酸丁酯(BA)与淀粉(S)接枝共聚,考察了淀粉糊化对接枝反应的影响。结果表明:接枝特征参数(接枝率、接枝效率、接枝频率和支链的平均分子量)在淀粉糊化后都有所降低。