滴定剂

讨论了电生Fe（Ⅱ）-EDTA络合物作库仑滴定剂的理论基础，获得了有益的结论。

The theoretical basis for electrogenerating Fe (ⅱ) - EDTA complex as a coulometric titrant was also discussed and a useful conclusion was obtained .

方法：将滴定剂分步等体积加入到样品溶液中进行滴定，每加一次滴定剂用酸度计测出相应pH，共加4～5次。

Methods The titrations are carried out by adding titrant stepwise in equal volumes to the sample solution , about 4 ~ 5 times , and pH measurement after each addition .

以氯化十六烷基吡啶（PC）滴定剂，用涂膜石墨电极为指示电极，甘汞电极为参比电极。

Cetylpyridinium chloride ( CPC ) solution is used as titrant . Smear membrane graphite electrode and calomel electrode are used as indicator electrode and reference electrode .

滴定剂的消耗体积在一定pH值范围内与药物含量成正比。

During the titration , the volume of the titration consumed to reach a certain pH value is proportional to the amount of the weak acid or base in the solution .

结果：获得f（V）-V点直线图，直线与V轴交点即为等量点时滴定剂体积Ve。

Results A straight line through f ( V ) - V points was obtained and its intersection point with the V-axis was just the volume of titrant at the equal amount point-Ve .

方法：以自身的四苯硼根（TPB－）离子选择电极为指示电极，四苯硼钠（NaTPB）标准溶液为滴定剂，电位滴定法测定氟派酸胶囊的含量。

Method : The content of Norfloxacin capsule was determined by potentiometric titration using self-prepared TPB - selective electrode as indicator electrode and the Na TPB standardized solution as titration agent .

建立了以硫酸亚铁铵作滴定剂，电位滴定法测定镀铬溶液中铬酐（CrO3）含量的方法。

The method determining the chromium trioxide concentration in the Cr-electroplating solution is set up by the electrometric itration with the ferrous ammonium sulfate as the titrant .

结果：滴定剂体积V1固定时，V2越大准确度越高；滴定剂体积V2固定时，V1有一最佳范围。

Results : When the titrant 's volume V 1 is fixed , accuracy is higher as V 2 is bigger , when V 2 is fixed , V 1 has a best range .

库仑滴定剂三价铊的应用&铕的测定

Application of Coulometric Intermediate Trivalent Thallium for the Determination of Europium

这种滴定剂一直都是稳定的，而且毒性很低。

The titrant is indefinitely stable , and is of low toxicity .

用五价钼为库仑滴定剂测定铈、铬和钒

Coulometric titration with pentavalent molybdenum & determination of cerium , chromium and vanadium

干扰元素能被选择性滴定剂所避免。

Interfering elements can be avoided by selecting titrants .

确定滴定剂体积的新方法

New method for determination of titrant volumes

用碳酸钠作滴定剂测定硝酸锶中锶的含量

Determination of the content of Strontium in strontium nitrate sample by titration with sodium carbonate solution

滴定剂体积对酸碱双点电位滴定法准确度的影响

Effect of Accuracy Based on Acid Base Double Point Potentiometric Titration Method by Titrant 's Volumes

所用滴定剂为十六烷基三甲基溴化铵，指示电极为氟硼酸根离子选择电极。

Cetyltrimethylammonium bromide is used as a titrant and a fluoroborate ion-selective electrode as an indicator electrode .

目的：探讨两次加入滴定剂标准溶液的体积对酸碱双点电位滴定法准确度的影响。

Objective : Adding two titrant standard solution volumes affecting acid base double point potentiometric method accuracy are discussed .

本法研究了用盐酸标液作滴定剂，在中性盐溶液中测定甲胺基乙腈。

The quantitative determination of methylamino acetonitrile in neutral salt solution by hydrochloric acid titration is introduced in this paper .

该仪器采用蠕动泵驱动滴定剂，用光电开关检测滴定剂滴数，根据滴数计算所用滴定剂的体积。

The titrator adopts the peristaltic pump to drive the titrant , and adopts the optical switch to detect the number of drip .

以氟离子溶液作滴定剂，氟离子选择性电极作指示电极，在氟-铝反应没有达到平衡条件下通过恒电位配位滴定法同时测定了铁和铝。

In this determination , the fluoride ion solution was taken as titrant and the fluoride ion selective electrode was taken as indicating electrode .

将氢醌在0.5&10N硫酸介质及铂阳极上电解产生醌可以作为库仑滴定剂。

Electro-generated quinone from hydroquinone at a platinum anode in a 0.5 & 10 N sulphuric acid medium has been used as a coulometric titrant .

以钴标准溶液为滴定剂，用铂电极为指示电极，甘汞电极作为参比电极，利用电位的突变来指示终点。

The standard solution of cobalt is used as titrant , the platinum electrode as an indicator electrode , while the calomel electrode as a refer - ence electrode .

以镍的特效试剂丁二酮肟作为滴定剂，阳极极化的铂丝作为指示电极，阴极极化的钨棒作为参比电极，极化电流为2μA。

Dimethylglyoxime is used as titrant , platinum wire as anodic polarized indicator electrode and tungsten rod as cathodic polarized re - ference electrode . Polarizing current is 2 μ A.

该法只需记录两次电极电位值和相应滴定剂体积，利用公式即可计算滴定化学计量点。

It only needs to record the electrode potentials at two points nearby the stoichiometric point and the corresponding volumes of the titrant , and the stoichiometric point can be calculated by the two-point equation .

该方法无需确定的化学计量点和已知滴定剂的浓度，方法简便准确，适合于朱砂中硫化汞含量的测定。

The method is not necessary to ascertain the stoichiometric point of the titration and to know the titrant concentration . It is simple , accurate suitable for the determination of mercuric sulfide in cinnabar .

以高锰酸钾为滴定剂，用示波器指示终点，提出了在酸性介质中直接测定僵蚕中活性草酸铵的示波电位滴定方法。

N oscillographic potentiometric titration method for the direct determination of ammonium oxalate in Muscardine silkworms was developed using potassium permanganate as the titrant in acidic medium and an oscillograph for indicating the end point .

以Fe3+标准溶液为滴定剂，在乙醇-水体系中用光度滴定法测定二茂铁的含量。

A rapid , convenient and accurate method for the determination of ferrocene was established . The content of ferrocene was measured by spectrophotometric titration method with Fe ~ 3 + standard solution as titrant in the ethanol-water system .

提出了以乙醇为介质，钍试剂作指示剂，亚甲基蓝溶液作衬色剂，用氯化钡标准溶液作滴定剂，测定水样中硫酸根离子的方法。

A method for the determination of sulfate in water is established by using alcohol as the medium , thoron I as the indicator , methylene blue solution as the foil and barium chloride standard solution as the titrant .

以银电极为指示电极，Ag+标准溶液为滴定剂，对BrO-3、IO-3单种离子及BrO-3与IO-3的混合离子进行了测定。

The single component of BrO - 3 or IO - 3 and the mixture of BrO - 3 and IO - 3 were determined respectively through potentiometric titration using silver electrode as the indicator electrode and AgNO 3 as the titrant .

用DL-半胱氨酸盐作螯合滴定释放剂的研究和应用

Study on the releasing agents of chelatometric titration with DL-cysteine and its application