chromogenic agent
英
美
显色剂
双语例句
- This paper makes a systematic study on application of negative absorption spectrophotometry in add colour photometry about chromogenic agent by colour compound and establishes dual wavelength spectrophotometry of positive and negative absorption that can determine real and signal absorbance of real absorption peak.
本文对负吸光度用于有色显色剂的生色法进行了系统的研究，提出了能测真实吸收峰的真实吸光度对信号吸光度的正、负吸光度双波长法。 - It also discusses influence of the acidity, dose of chromogenic agent and time for stratification.
探讨了酸度、显色剂用量、萃取时间、静置分层时间等因素的影响； - The Preparation of Inclusion Complex of Water Insoluble β-cyclodextrin Polymer with Chromogenic Agent and Their Chromogenic Reaction Researching for Heavy Metal Ions
水溶性β-环糊精聚合物与显色剂包结物的制备及其与重金属离子显色反应的研究 - Mixed color reagent of xylenol orange and phenanthroline were used as a selective chromogenic system in pH2.8 with the presence of Emulsifying agent OP, The application of H-point standard additions method to the simultaneous determination of Fe(ⅱ) and Fe(ⅲ) was studied.
pH2.8时，二甲酚橙-邻菲罗啉混合显色剂中加入乳化剂OP，采用H点标准加入法-分光光度法同时测定水中的Fe（Ⅱ）和Fe（Ⅲ）。 - The effects of measuring wave length, addition of chromogenic agent, chromogenic media, acidity, temperature, time and interfering elements on the measured results were studied.
研究了测量波长、色介质、度、色剂加入量、度、间及干扰元素等对测量结果的影响。 - Optimum measuring wave length was selected. The effect of acidity, concentration of citric acid and chromogenic agent, temperature and interfering elements on the measurement was studied.
优选出最佳测量波长，研究了酸度、柠檬酸浓度、显色剂浓度、温度及干扰元素对测量的影响。 - The effect of acidity, chromogenic agent, co-existing bath components and interfering elements on the measurement was studied.
研究了酸度、显色剂浓度、共存组分及干扰元素对测量结果的影响； - Methods Vanillin, glacial acetic acid and ( perchloric) acid were used as chromogenic agent and visible spectrophotometry was used to detect the ( adsorptive) equilibrium curve at different temperatures and adsorptive dynamic curve under the different beginning concentrations.
方法以香草醛-冰醋酸-高氯酸为显色剂，采用可见光分光光度法测定了不同温度时的吸附等温线和不同起始浓度下的吸附动力学曲线。 - A method using sodium diethyldithiocarbamate trihydrate ( DDTC) as chromogenic agent for determinating micro-amounts of copper in tea was developed by spectrophotometry in aqueous solution.
研究了以二乙基二硫代氨基甲酸钠（铜试剂，DDTC）为显色剂水相比色测定茶叶中铜含量的方法。 - High content ferric ion in acidic copper plating bath was determined by spectrophotometric method using EDTA and H 2O 2 as chromogenic agent, and optimal measuring wavelength was selected.
针对EDTA测定酸性镀铜液中高量铁存在的不足，利用铁（Ⅲ）与EDTA和H2O2形成三元配合物的显色反应，光度测定酸性镀铜溶液中的高量铁。