This paper introduced the indirect determination of polyphosphate in laundry powder by potentiometric titration, the method is featured of simple, rapid and reliable.
用强酸分解洗衣粉中的聚磷酸盐,以电位滴定法间接测定其中的聚磷酸盐含量。
A new method for determining vitamin B1 with the two-point potentiometric titration was established.
提出了用两点电位滴定法测定维生素b_1含量的新方法。
A new identical Potentiometric standard addition method with ion-selective electrodes and its computation formulas are derived by mathematical method.
应用数学方法研究离子电极测量技术中的等电势标准添加法,推导出新的计算公式。
A novel substitutive differential potentiometric stripping analysis (DPSA) for the determination of Pb via bismuth-film electrode by standard addition method was proposed.
研究了镀铋膜电极替代镀汞膜电极的微分电位溶出分析法(DPSA)测定铅的方法,考察了同位镀铋膜测定铅的条件。
During the production, determination of SO_2 (sulphur dioxide) in dry red wine using potentiometric titration avoids the end-point recognition difficulty compared with using iodometry method.
在生产中利用电位滴定法测定干红葡萄酒中SO_2的含量,避免了直接碘量法终点识别的困难。
This program can be used to treat experimental data from potentiometric stripping analysis, polarography and EMF method.
此程序能用于电位溶出法、极谱法和电势法研究配合物的实验数据处理。
Objective: Adding two titrant standard solution volumes affecting acid base double point potentiometric method accuracy are discussed.
目的:探讨两次加入滴定剂标准溶液的体积对酸碱双点电位滴定法准确度的影响。
In this paper a potentiometric titration was used to improve the neutral sodium sulfite method for determining the content of formaldehyde, and the accuracy and influential factors were discussed.
采用电位滴定法改进了测定甲醛含量的中性亚硫酸钠法,并对其准确度和影响因素进行了探讨。
A novel differential potentiometric stripping analysis (DPSA) was developed for the determination of Cd with bismuth-film electrode via standard addition method.
建立了环境样品中生物可利用镉的镀铋膜电极微分电位溶出分析法(DPSA),考察了同位镀铋膜测定镉的条件。
A new double indicator electrodes potentiometric precipitation titration method coupled with multivariate calibration for the simultaneous determination of mixed halide ions was developed.
建立一种可同时测定混合卤素离子的电位滴定新方法。
Method: Double-point potentiometric titration was used.
方法:双点电位滴定法。
The potentiometric method or the crystal violet indicator was used to indicate the end-point.
选用高氯酸— 冰醋酸标准液滴定,以电位法或结晶紫指示剂指示终点。
Conclusion: The acid base doub1e points potentiometric method is simple, rapid and precise, and has prospect of application in analysing organic weak acid and base medicines.
结论:酸碱双点电位法具有简便、快速、准确等特点,在有机弱酸弱碱性药物分析中有一定的实用前景。
ASTM D2896-03 Standard Test Method for Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration.
电位高氯酸滴定法对石油产品碱值的试验方法。
ASTM D2896-03 Standard Test Method for Base Number of Petroleum Products by Potentiometric Perchloric Acid Titration.
电位高氯酸滴定法对石油产品碱值的试验方法。
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