滴定法

A method for the determination of total acid number in jet fuel by potentiometric titration is presented.

研究了用电位滴定法测定喷气燃料总酸值的方法。

Introduce the composition of naphthenic acid and two methods about the determination of acid number .

介绍了石油酸的组成及国内测定原油酸值的两种方法，对采用不同方法测定原油酸值产生的差异进行分析，建议采用电位滴定法测定原油的酸值。

Two methods for the determination of magnesium in rare earth-magnesium middle alloy by EDTA titrimetry, i. e. oxalic acid precipitation and ammonium hydroxide precipitation, were studied.

研究了分别采用草酸和氢氧化铵沉淀分离稀土镁中间合金中的稀土，EDTA络合滴定法快速测定电解稀土镁中间合金中镁的两种方法。

Key words: wet-process phosphoric acid; determination of SO3 content; thermosensitive titrimetric method

论述热敏滴定法测定湿法磷酸反应料浆及磷酸中三氧化硫含量的原理，干扰情况及改进后的装置原理，优点。

Objective:Evaluating the method of trace median tissue culture ineffective dose(trace TCID50) in determining the virucidal effect on the four commonly used disinfectants to poliovirus.

目的：评价微量组织培养半数感染量病毒滴定法（简称微量TCID50法）检测4种常用消毒剂对脊髓灰质炎病毒的灭活效果。

A new method for the separation and purification of chiral mandelic acid by heated benzene extraction and refrigeration crystal was established. The ionization constant of mandelic acid was mensurated by pH potentiometer titration.

采用pH值电位滴定法测定了扁桃酸的离解常数，采用高效液相色谱法考察了扁桃酸在不同溶剂中的溶解度曲线和在苯-水体系中于不同pH值条件时的分配率，建立了热苯萃取和冷却结晶的扁桃酸纯化工艺。

Methods The ionization constant was determined with acid-basle titration in acetone/water solutions with different ratios, the pH at half neutralization point was regarded as pKa, the value to infinite diluted in pure water was explored and the lgP was determined with bottle-shaking method by HPLC.

方法采用酸碱滴定法测定各不同体积比的丙酮-水溶液中药物半中和点时的pH值作为药物在该体积比的丙酮-水溶液中的pKa值，再外推至纯水中药物浓度无限稀释时的pKa值；采用HPLC配合摇瓶法测定药物的分配系数。

Total alkoloids in CCG were measured by nonaqueous potential titrations and tetrahydropalmatine by thin layer chromatography.

总生物碱的含量用非水电位滴定法测定，四氢帕马丁的含量以单波长反射锯齿式薄层扫描外标两点法测定。

This article researched the sulphites determining in aquatic products by the method of distillation and titration and colorimetry.

分别使用蒸馏滴定法和浸泡比色法对冻虾仁等水产品中亚硫酸盐的残留量测定进行了研究。

Information from other methods may be necessary, because some solvates are known to be stable at temperatures above the boiling point of the solvent.

这通常可以通过干燥法检测，或者通过卡尔菲舍滴定法检测。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。