complexometry

complexometry

1. Keywords EDTA complexometry;extraction;determination;

EDTA络合滴定法;萃取;测定;

2. A Study on the pH Complexometry in Com-bination with Multiple Linear Regression

多元线性回归同时pH配位滴定法研究

3. Methods:The contents of tannin were determined by complexometry and that of amino acids by amino analyzer.

方法:用络合滴定法测定鞣质含量,用氨基酸自动分析仪测定氨基酸含量。

4. The conditions by KMnO_4 volumetry were studied on determination of the content of acorn tannin. The results were compared with those of the complexometry and the Hide powder method.

本文探讨了KMnO_4容量法对橡子鞣质含量进行测定的条件,包括水浸提温度、皮革粉量等,并与皮粉法、络合量法的测定结果作了比较。

5. Potassium permanganate titration and complexometry were used to determine the content of tannin in different growth phase of wild and cultivated Cynomorium songaricum Rupr.

本文用高锰酸钾法和络合滴定法测定不同生长期野生与人工种植锁阳的鞣质含量。

6. citric acid complexometry

柠檬酸络合

7. Keywords orthogonal test;Geranium sibiricum L;total tannin;complexometry;extraction process;

正交实验;老鹳草;总鞣质;络合量法;提取工艺;

8. The content of calcium and magnesium for adible(rock) salt in Jiangsu area is very low,so it is hard to determine it by EDTA complexometry.

江苏地区生产的食用(矿)盐中钙、镁含量极低,用EDTA络合滴定法难以检出其准确含量。

9. Objective:To dopt EDTA complexometry veraciously quickly measure barium sulfate purity and in contrast to barium chromate volumetric procedure.

目的:采用EDTA配位滴定法准确快速测硫酸钡纯度并与常用的铬酸钡容量法进行对照。

10. Keywords complexometry rare earth elements;

络合滴定;稀土元素;

11. The Determination of the Zinc Layer Quality of the Zinc Plated Steel Rod with Complexometry

络合滴定法测定镀锌钢丝中锌层质量

12. Improved method of fractional distillation-mercuric nitrate complexometry for determining content of chloride ion in concrete

蒸馏分离-汞盐滴定法测定混凝土样品中氯含量方法的改进

13. Study on method of fractional distillation-mercuric nitrate complexometry for determining content of chloride ion in cement

蒸馏分离-硝酸汞配位滴定法测定水泥中氯离子方法研究

14. Compared between the three determining methods for micro fluoride in water,the calibration curve method,the standard addition and the ternary complexometry,it found out the optimum determining method.

通过对水中微量氟的标准曲线法、一次性标准加入法以及三元络合物法的三种测定方法进行比较找出最佳测定方案。

15. Bone powder was decomposed by using oxygen - flask method, then the phosphor content in bone powder was determined by colorimetry and the calcium content was determined by complexometry.

采用氧瓶燃烧法消化骨粉样品,比色法测定其磷含量,络合滴定法测定其钙含量。