酸碱指示剂

维多利亚蓝B作为酸碱指示剂的应用研究

A study of the application of Victoria Blue B as acid-base indicator

用植物色素制取代用酸碱指示剂

Preparation of Alternate Acid-Base Indicator by Using Plant Pigment

GB/T604-1988化学试剂酸碱指示剂pH变色域测定通用方法

Chemical reagent & General method for the determination of pH ranges corresponding the colour transition of acid-base indicators

研究了酸碱指示剂茜素黄R颜色的模糊特性。

The fuzzy character of colour of the acid base indicator alizarin yellow R is studied in the paper .

GB及ISO中酸碱指示剂法测定食品中总酸的指示剂研究

Indicator Study on Acid-base Titrimetric Determination of Total Acid in Food Among GB and ISO Method

分别采用酸碱指示剂滴定和电导滴定法测定了壳聚糖的脱乙酰度（DD），后者测定结果大于前者；

Degree of deacetylation ( DD ) of the three different chitosan are determined by acid - base titration or acid - base conductometric titration .

萝卜红色素作酸碱指示剂的研究

Study on radish red pigment as an indicator of acid alkali

一种新的酸碱指示剂的研究

Study of A New Acid & Base Indicator

新的苯并噻唑偶氮染料的合成及作为酸碱指示剂的研究

The synthesis of a new benzothiazolyazo dye and the study of its application as an acid base indicator

实验结果表明，表面活性剂存在时，酸碱指示剂的离解平衡及其变色范围将发生改变，选择适当的胶束溶液作为滴定介质，可以扩大酸碱指示剂的应用范围，同时也可以提高滴定的准确度。

The experimental results indicated that the colour-changing ranges got narrow , and the titration accuracy was increased when an appropriate surfactant micellar solution was chosen as a titration medium .

但是对于改性聚酯多元醇，用酚酞作为指示剂其终点难以判断，故采用电位滴定法测聚酯亚胺多元醇的酸值，同时使用各种酸碱指示剂用来指示滴定终点，结合两者得出一个最佳的指示剂。

But it is difficult for end point determination in modified polyester polyol system . Therefore potentiometric titration is used for determination of acid number of polyester imide , as well as pH indicators .

近年来，偶氮类染料的结构研究引起了人们的注意，因为它们是工业上所使用染料的最大类，并且作为酸碱指示剂、氧化还原指示剂、金属显色指示剂在分析化学中有着广泛的应用。

The structure of azo dyes has attracted considerable attention in recent times , since they represent the largest class of dyes used in industry , and also has extensive applicability in analytical chemistry as acid-base , redox and metallochromic indictors .

酸碱滴定中指示剂对滴定分析准确度的影响

Influences of Some Indicator to the Titration Errors in Acid and Alkali Titration Experiment