查询词典 titration

AFt was extracted from cement paste containing sulphur - fixed ash using glycol and methanol (mixing ratio =1:3) as solvent, and its content was measured by back titration method.

选用1：3乙二醇-甲醇溶剂以相当高的选择性从掺固硫渣的水泥水化浆体中萃取钙矾石并采用返滴定法测定其含量。

Iodimetric titration is a standard method for the determination of sulphur dioxide in food samples.

酸蒸馏碘滴定法是测定一般食物中二氧化硫含量的一个标准检测方法。

ABSTRACT As for the poor solubility of tobramycin crystalline product in working medium used in volumetric Karl Fischer titration, two new methods for the water content determination were investigated.

由于妥布霉素固体颗粒在常用滴定溶剂中的溶解度不大，采用常规的卡氏容量法难以快速精确的确定其水含量。

Silver nitrate titration ; cyanide solution ; free sodium cyanide ; determination ; disturbance ; correction.

沈阳黄金学院；黄金， GOLD ，编辑部邮箱 1995年 02期银量法；氰化液；游离氰化钠；测定；干扰；校正

In which 18.02 and 230.08 are the molecular weights of water and sodium tartrate dihydrate, respectively; W is the weight, in mg, of sodium tartrate dihydrate; and V is the volume, in mL, of the Reagent consumed in the second titration.

其中18.02和230.08是水和酒石酸钠的各自分子量，W是二水酒石酸钠的重量，以mg计，V是第二次滴定消耗的卡尔试剂的体积，以毫升计。不好意思，废话不多说，请大家多指教

For example, an oxidation-reduction titration using potassium permanganate (pink/purple) as the titrant does not require an indicator.

例如，一种以高锰酸钾为滴定液的氧化－还原滴定就不需要指示剂。

Using methanol as solvent and sodium methanol standard solution as titrant,the certification of NTO standard substance was investigated by non-aqueous titration .

以甲醇为溶剂，采用甲醇钠溶液作为滴定剂，通过非水滴定法对NTO的定值方法进行研究，选择了最佳条件。

The direct amperometric titration of amines with sodium tetraphenylborate solution based upon anodic depolarization at a dropping mercury electrode by the use of excess TPB titrant, was systematically investigated.

本文研究了用pH8的四苯硼酸钠水溶液对胺类的直接电流滴定法。滴汞为阳极，饱和甘汞为阴极，以3％琼脂的饱和NaCl溶液为盐桥组成电解池。适宜的滴定条件是：外加电压+0.18伏；底液为pH 2-3的HAc-NaAc介质，而以1％HAc更为方便；滴定体积为10-20毫升。

Sodium glutamate content in chicken essence was determined by perchloric acid titration after pretreatment with the sample.

对鸡精样品进行预处理后，采用高氯酸滴定法测定鸡精中谷氨酸钠的含量，方法重现性RSD为1.53，回收率为98.0%，可应用于鸡精产品中谷氨酸钠含量的检测。

In this work,activated carbon fiberswere respectively modified using different concentration ammonia aqueous solution,and the textural pvoperties and the surface oxygen content as well as the surface acidities of the modified ACFs studied were determined by nitrogen adsorption,elemental analysis and Boehm titration methods.

主要研究采用氨水对活性炭纤维ACF表面进行改性，制备了3种不同的改性ACF，测定ACF孔结构和表面酸碱基团，并测定了苯乙烯在改性ACF床层的吸附透过曲线，讨论了改性ACF的孔结构和表面酸碱基团对其吸附性能的影响。

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。