1) Hammett indicator
Hammett指示剂
1.
An available method was introduced to measure acid strength of solid superacid with Hammett indicator.
介绍了一种采用Hammett指示剂测定固体超强酸酸强度的简便方法。
2.
In this paper,the acidity characterization of TS-1 was made with the Hammett indicator titration method for the first time.
本实验在采用XRD、DRUV-Vis、UV-Raman和TG-DTG表征TS-1的基础上,首次采用Hammett指示剂滴定法以及乙二胺分子间环化合成哌嗪和三乙烯二胺和环氧丙烷与甲醇的醚化两种酸催化探针反应对TS-1的酸性以及酸催化性能进行了研究。
3.
Hammett indicator titration was used for the characterization of TS-1 acidity.
采用Hammett指示剂滴定法表征了钛硅沸石TS-1的酸性。
2) Hammett indicator method
Hammett指示剂法
3) Indicator
[英]['ɪndɪkeɪtə(r)] [美]['ɪndə'ketɚ]
指示剂
1.
Use of 2-(5-Nitro-2-Pyridylazo)-5-Dimethylaminoaniline as Indicator in Chelatometric Titration of Copper;
2-(5-硝基-2-吡啶偶氮)-5-二甲氨基苯胺作络合滴定指示剂测定铜
2.
Study on 2-[5-carboxy-(1,3,4-triazolylazo)]-5-diethylamino benzoic acid as an indicator for the complexometric titration of cobalt;
2-[5-羧基-(1,3,4-三氮唑偶氮)]-5-二乙氨基苯甲酸作为络合滴定钴指示剂的研究
3.
2-(5-chloro-2-pyridylazo)-5-diethylaminophenol as complexometric titration indicator for the continuous determination of copper and zinc;
2-(5-氯-2-吡啶偶氮)-5-二乙基氨基酚作指示剂络合滴定连续测定铜和锌
5) calconcarboxylic acid
钙指示剂
1.
Determination of calcium in dolomite by the indicator of calconcarboxylic acid and tween-80;
钙指示剂—吐温-80法测定白云石中的钙含量
2.
This paper studied the experimental condition of calconcarboxylic acid, instituted the method of using liquid calconcarboxylic acid, and obtained the optimum condition of solid calconcarboxylic acid.
经过实验研究,创建了液体钙指示剂的使用方法并得出了固体钙指示剂的最佳使用条件,有利于改进了高校分析化学实验的教学效果。
6) Dual-indicator
双指示剂
1.
Dual-wavelength dual-indicator catalytic kinetic spectrophotometric determination of trace iron(Ⅲ);
双波长双指示剂催化动力学光度法测定痕量铁
2.
A dual-wavelength dual-indicator catalytic kinetic spetrophotometric method for the deter mination of trace chromium was studied.
8的HAc-NaAc缓冲溶液介质中,利用痕量铬(VI)催化H2O2氧化次甲基蓝和罗丹明B褪色的指示反应,通过测量在555nm和665nm下催化体系和非催化体系吸光度的变化,建立双波长双指示剂催化动力学光度分析测定痕量铬(VI)的新方法。
3.
A new dual-wavelength dual-indicator catalytic kinetic spectrophotometric method for the determination of trace nickel(Ⅱ) was studied.
研究了在氨水介质中,痕量镍(Ⅱ)催化高碘酸钾氧化吖啶红和靛蓝胭脂红褪色的指示反应,通过测量530 nm和610 nm处催化反应体系和非催化反应体系吸光度的变化,建立了双波长双指示剂催化动力学光度法测定痕量镍的新方法。
补充资料：斑点指示剂
分子式：
CAS号：
性质：又称外部指示剂，斑点指示剂，点滴指示剂(spot indicator)。滴定时，指示剂不加入滴定体系内，而是在接近等当点时，随时取出一滴滴定液在点滴盘或反应纸上与滴加的指示剂反应，观察其显色现象，判断是否达到终点。该法目前已很少采用。
CAS号：
性质：又称外部指示剂，斑点指示剂，点滴指示剂(spot indicator)。滴定时，指示剂不加入滴定体系内，而是在接近等当点时，随时取出一滴滴定液在点滴盘或反应纸上与滴加的指示剂反应，观察其显色现象，判断是否达到终点。该法目前已很少采用。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条