吸附指示剂是指容量沉淀法中所用的一类指示剂。一般是能被滴定过程中生成的沉淀所吸附而改变其颜色的某些有机染料。例如用硝酸银溶液滴定氯化钠溶液,如果有萤光黄存在,生成的氯化银沉淀遇到微量过剩的银离子会变红色,萤光黄就是一种吸附指示剂。
一些有机染料吸附指示剂(adsorption indicators)是些有机染料,它们的阴离子在溶液中容易被带正电荷的胶状沉淀所吸附,吸附后其结构发生变化而引起颜色变化,从而指示滴定终点的...
基于738个网页-相关网页
... 氧化还原指示剂Redox indicator Redox ind 吸附指示剂Adsorption indicator Adsorb ind 基准试剂Primary reagent PT ...
基于384个网页-相关网页
... 高纯物质(特纯) extra pure ep 吸附指示剂 adsption indicat adsb ind 氧化还原指示剂 redox indicat redox ind ...
基于16个网页-相关网页
... 氧化还原指示剂Redox indRedox indicator 吸附指示剂Adsorb indAdsorption indicator 基准试剂PTPrimary reagent ...
基于1个网页-相关网页
用吸附指示剂正丁胺滴定法测定了催化剂的酸量。
The acidic concentration of the catalyst was titrated by butylamine with the method of adsorption of coloured indicator.
含催化馏份的车用汽油,烯烃含量大,用荧光指示剂吸附法不易测准汽油的族组成。
As the alkene content of motor vehicle petrol containing catalytic fraction is large, it is difficult to measure accurately by the fluorescent indicator adsorption method.
其作为术中指示剂在彻底根除癌变转移的淋巴结、吸附抗癌药定向杀死癌细胞或抑制癌细胞的淋巴转移方面已经初见成效。
As an intraoperative tracer agent, ACNP can eradicate the metastatic lymph nodes and lead anticancer drug to kill cancer cells and control lymphatic metastasis.
应用推荐