A study of the application of Victoria Blue B as acid-base indicator;
维多利亚蓝B作为酸碱指示剂的应用研究
The color change is very sensitive,it can be used as acid-base indicator.
桑椹红色色素随溶液ｐＨ值的改变发生颜色变化，变色灵敏，可作酸碱指示剂。
The determination of the degree of deacetylation of chitosan by linear potentiometric titration was studied, and the determined values were compared with the values determined by acid-base titration.
采用线性电位滴定法测定壳聚糖的脱乙酰度,并与酸碱指示剂滴定法测定的结果进行比较,结果表明线性电位滴定法测定比较适合粘度高的样品,且分析速度快,操作简单,精密度高。
The degree of deacetylation of chitosan is determined by acid-base titration and linear potentiometric titration.
采用酸碱指示剂滴定法和线性电位滴定法测定壳聚糖的脱乙酰度,结果表明线性电位滴定法比酸碱指示剂滴定法能更好地避免人为误差,具有较高的准确性和精密度,而且操作简单。
Methods:It was based on the enhancement effect of SDS on the RLS intensity of the complex formed between protein and Calcon carboxylic acid in the presence of SDS at 1.
0 mol/L的硫酸介质中有十二烷基磺酸钠(SDS),蛋白质与钙指示剂羧酸钠作用形成复合物,使最大波长350 nm的共振光散射光谱得到加强,根据其共振光散射的增强程度,可定量测定蛋白质,SDS的加入,使灵敏度提高3。
hydrogen ion indicator
氢离子[浓度]指示剂，酸碱指示剂，pH值指示剂
Chemical reagent--General method for the determination of pH ranges corresponding the colour transition of acid-base indicators
GB/T604-1988化学试剂酸碱指示剂pH变色域测定通用方法
A Discussion of The Principle of Acid and Alkali Indicator s Changin Colour in Using Textbook;
对现行教科书中酸碱指示剂变色原理论述的商榷
bromthymol blue
溴百里酚蓝(酸碱测定用指示剂)
petroleum products and lubricants-determination of acid or base number-colour-indicator titration method
石油产品及润滑油-酸/碱值测定方法-颜色指示剂滴定测量法
a dye used as an acid-base indicator.
一种用作酸碱显示剂的染料。
unsized paper treated with litmus for use as an acid-base indicator.
未定尺寸经石蕊处理的纸，用作酸碱显示剂。
The Selection of End Point Determination and Indicator in Total Alkalinity of Titration Water Sample;
滴定水样总碱度中终点确定和指示剂的选择
Experimental Condition Optimization for Testing Base Mixture by Double Indicator Method;
双指示剂法测定混合碱实验条件的优化
Research of common indicator of degree of deacetylation of chitosan by alkalimetry
碱量法测定壳聚糖脱乙酰度通用指示剂的研究
pH [water quality objective]
酸碱值〔水质指标〕
determination of chloride silver nitrate titration with chromate indicator-mohr's method
氯化物的测定-用硝酸银指示剂滴定法
extraction indicator
抽提指示剂，萃取指示剂
a coloring material that turns red in acid solutions and blue in alkaline solutions; used as an acid-base indicator.
一种在酸性溶液中变红、在碱性溶液中变蓝的染色材料，亦作酸碱显示剂。
Study on application of metal indicator diamine green B for analysis of proteins
碱土金属测定的金属指示剂二氨基绿B在蛋白分析中的应用研究
The dissociation-dependent strength of an acid or base.
强度指酸或碱的离解度
Not stained strongly or definitely by either acid or basic dyes but stained readily by neutral dyes. Used especially of white blood cells.
嗜中性染料的不一定非用酸性或碱性染剂染色不可的，也易于用中性染剂染色的，尤其指白细胞
a red-brown powder used as a dye, especially as a chemical pH indicator (congo red is red in basic and blue in acidic solutions).
用作燃料的红褐色粉末，尤用作ph值显示剂（在碱性溶液中呈红色，在酸性溶液中呈蓝色）。