酸碱滴定
- acid-base titration
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用酸碱滴定法测定酸性红壤的pH缓冲容量
Determination of pH Buffer Capacity of Acid Red Soils by Acid-Base Titration
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关于酸碱滴定中CO2影响的讨论
The discussion on effect of co_2 in the acid-base titration
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酸碱滴定中pH函数导数峰值的应用
Applications of the pH Function Derivative Peak Value in Acid-Base Titrations
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酸碱滴定中pH值的微机监测系统
Computer System for pH Monitor in the Titration of Acid and Base
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固定pH滴定法是一种新型的酸碱滴定方法。
PH & fixed titration is a new analytical method to very weak acids and bases .
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采用酸碱滴定法测定了甘油三乙酯酸性水解的总速率常数k。
Total rate constants k of acidity hydrolysis of glycerol triacetate were determined by acid alkali titration .
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pH滴定法是指酸碱滴定至某一指定pH值时,即可根据滴定剂浓度、用量及有关公式,计算被测物浓度或含量的方法。本文深入讨论了测定原理、方法和应用。
The principles , method and application of the pH titration of very weak acids or bases are discussed .
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Excel软件在酸碱滴定分析教学中的应用
Application of Excel software tool in acid-base titration teaching
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酸碱滴定曲线方程的共性与CAT软件
Research on the Ubiquity of Acid Base Titration Curve Equation and the Development of its CAT Program
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酸碱滴定曲线方程通式应用范围及pH值的近似计算
On the range of application of the general equation of acid-base titration curves and the approximative calculation for pH value
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以酸碱滴定分析实验为例,介绍Excel处理实验数据的具体应用。
An acid-base titration experiment is provided as example to illustrate how to process data with Excel .
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目的分别用HPLC和非水酸碱滴定法建立起盐酸尼非卡兰有关物质检查及含量测定的方法,为原料的质量控制提供有效的分析方法。
OBJECTIVE To develop HPLC and nonaqueous acid-base titration for the determination of nifekalant hydrochloride and its related substances for quality control .
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非水相酸碱滴定检验纳米TiO2表面的改性效果
Determination of the Modified Effect of Nanometer-sized TiO_2 by Acid-Base Titration in Nonaqueous Phase
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并用C语言编写了相应的计算机辅助教学与实验程序(CAT),用于仿真各种情况下的酸碱滴定。
Using C language , a corresponding computer aid teaching and experiment ( CAT ) program is developed and used for curve fitting of various acid base titrations .
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非水溶液酸碱滴定分析及在TDI生产控制中的应用
Non-aqueous Acid-base Titration Profile and Control of TDI in the Analysis of the Application
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采用XRD、TPR、N2吸脱附、XRF、酸碱滴定的测试手段对制备的催化剂进行了表征。
The prepared catalysts were characterized by XRD , TPR , N2 adsorption and desorption , XRF and acid-base titration .
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EDTA络合滴定与酸碱滴定联合测定含锌碱性溶液中游离碱、锌和碳酸钠
Determination of free alkali , zinc and sodium carbonate in zinc aqueous alkali by uniting EDTA complexometric titration and acid base titration
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利用变温IR光谱、变温X&射线粉末衍射图和酸碱滴定曲线,对配合物的分解温度以及在水溶液中稳定存在的pH值范围进行了初步探讨。
We use variable-thermal IR spectrum , variable-thermal powder X-ray diffractogram and acid-base titration curve to approach the decomposition temperature of the coordination compounds and their pH range of stability in water solution .
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用酸碱滴定、TEM、N2吸附-脱附和Hammett指示法表征了固体超强酸。
The structure of the solid superacid was characterized with acid base titration , TEM , N2 adsorption / desorption and Hammett indicator .
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在酸碱滴定中,滴定常数(Kt)和条件滴定常数(K't)是一个教学难点。
It is a knotty point that teaching of titration constant ( Kt ) and conditional titation constant ( K 't ) in acid - base titration .
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利用中药材附子炮制过程产生的大量废液中的生物碱进行害虫防治研究。用酸碱滴定法(药典法)测定附子浸渍液总生物碱含量,平均为0.0680mg/mL。
Research on pest prevention is carried out using the alkaloid in the waste fluid while producing medicines with the aconite , and the total alkaloid content of the aconitic steep is 0.0680mg/ml in average measured with the Titration of Acid and Alkali ( Pharmacopoeia Method ) .
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根据酸碱滴定求得沉积物的零电点pH(PZC),表面质子电荷密度σH及总吸附位NS,运用恒定容量模式求定了样品的表面固有酸度常数。
According to the point of zero charge pH_ PZC , the surface charge σ _ H and the total adsorptive sites of the sample reached through potentiometric titration experiments , the surface intrinsic constant was obtained with constant capacitance model by the graphical .
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主要工作如下:1.结合本实验的条件,采用酸碱滴定(非水滴定)法测定菊三七总生物碱的含量,RSD为0.357%,为超临界CO2流体萃取菊三七总生物碱提供了定量依据。
The main results were described as follows : 1 . The content of total Radix Gynurae Segeti alkaloids in the plant was quantified by acid-base titration ( non-aqueous titration ) with the RSD being 0.357 % , which set a basis for the SCF-CO2 method . 2 .
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讨论了Cu2+、环烷酸和吡啶萃取分光光度法测定石油酸中环烷酸和脂肪酸含量的测定条件、干扰因素和计算方法并与酸碱滴定法、尿素络合重量法进行了比较。
When the content of naphthenic acid and grease acid in the petroleum acid has been determined by the extraction-photometric method of Cu2 + and naphthenic acid and pyridine , the measuring conditions and disruption factors and calculation method have been discussed in this paper .
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通过酸碱滴定法、原子力显微镜表征和复合材料界面剪切强度(IFSS)测试,分析纤维表面酸性官能团含量、表面形貌及其复合材料界面强度的变化规律。
Titration analysis , AFM and composites IFSS measurement were used to characterize the acidic functional groups contents on the fibers surface , the surface topography and its composites interfacial shear strength .
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用酸碱滴定法和FT-IR测定SEBS-g-MAH的接枝率,同时考察不同反应条件:反应时间、反应温度、MAH量、过氧化二异丙苯(DCP)量对SEBS-g-MAH的接枝率和接枝效率的影响。
The graft degree of SEBS-g-MAH was determined by FT-IR and acid-base titration . The influences of time and temperature of the reaction , the concentration of MAH and DCP on the graft rate and grafting efficiency of SEBS-g-MAH were investigated .
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山楂汁用酵母菌在溶氧25%~35%、20℃条件下进行84h发酵,采用高效液相色谱法和酸碱滴定法测定样品中的有机酸含量。
The hawthorn juice was fermented by yeast at 20 ℃ for 84h with 25 % - 35 % dissolved oxygen . The results were analyzed by HPLC and titration methods .
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通过沉淀、过滤,再用碘量法和酸碱滴定来测定栲胶脱硫液中Na2S、NaHS的含量,具有方法简单可行、便于生产分析的特点,对指导生产有重要意义。
The content of Na 2S and NaHS in the tannin extract desulfurizing liquid is determined by precipitation , filtration , iodimetry and acid-base titration . This method is simple and practicable , convenient for analysis in production , and has great significance in supervising production .
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分析结果表明,酸化后的碳纳米管(MWNTs-COOH)表面接枝上了-OH,-COOH等含氧极性基团;并用酸碱滴定法测定羧基化碳纳米管表面羧基含量为3.268mmol/g。
The results show that acid treatment can effectively produce polar oxygen-containing groups such as – OH and – COOH on the surface of MWNTs , and the carboxyl content of carbon nanotubes is about 3.268 mmol / g determined by the acid-base titration method .
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酸碱滴定分析微型实验研究
A Study on Microscale Experiment of Acid and Alkali Titration Analysis