Iodometry, known as iodometric titration, is a method of volumetric chemical analysis, a redox titration where the appearance or disappearance of elementary iodine indicates the end point. Note that iodometry involves indirect titration of iodine liberated by reaction with the analyte, whereas iodimetry involves direct titration using iodine as ...

碘量法是一种 氧化还原滴定法，以碘作为氧化剂，或以碘化物（如碘化钾）作为还原剂进行滴定的方法，用于测定物质含量。 极微量的碘与 多羟基化合物 淀粉相遇，也能立即形成深蓝色的配合物，这一性质在碘量法中得到应用。 碘量法分为直接碘量法和间接碘量法，其中间接碘量法有分为剩余碘量法和置换碘量法。 [1] 碘量法可用于测定水中游离氯、总氯、溶解氧，气体中硫化氢，食品中维C、葡萄糖等物质的含量。 因此碘量法是环境、食品、医药、冶金、化工等领域最为常用 …

2023年12月1日 · Iodometric titration is a method of quantitative analysis that involves the indirect determination of the concentration of an oxidizing agent in a sample solution. This redox titration relies on the reaction between the oxidizing agent and iodide ions to produce iodine, which is then titrated using a standardized sodium thiosulfate solution.

Iodometric reactions are rapid and quantitative. A precise and stable reducing agent, sodium thiosulfate (Na 2 S 2 O 3), is available to react with the iodine. The amount of iodine liberated in the reaction between iodide ion and an oxidizing agent is a measure of the quantity of oxidizing agent originally present in the solution.

Iodometric titration can be of two types 1. The direct iodometric titration method (sometimes termed iodimetry) refers to titrations of reducing agents (E < 0,54) with a standard solution of iodine. 2. The indirect iodometric titration method (sometimes termed iodometry) deals with titration of iodine liberated in chemical

In the analaitic process, iodine is used as an oxidation reagent (iodimetry) and iodide ion is used as a reducing reagent (iodometry). Relatively some substances are strong enough reducing reagents to be titrated directly with iodine, so the amount of iodimetric determination is small. However, there are many uses of iodometric processes.

Since iodine is involved, and these are redox reactions not neutralization reactions, these titrations are called iodometric titrations. However, in kinetics lab experiments, this reaction is often used as an example where the speed of a reaction is measured or rather calculated.

1996年10月20日 · Double iodometric titration is a method developed for high-T c superconductivity. It has been widely used to determine the effective oxidation of copper and to figure out the oxygen content in a sample in the past years. If a sample is doped with some metals like iron and cobalt, these metal ions can interfere in experiment results.

2020年9月30日 · Therefore, the experiment purpose is to determine the levels of vitamin C based on the oxidation-reduction reaction using the iodimetric method, to determine the levels of CuSO4 based on oxidation...

Iodometric and Iodimetric Titration: Primary Differences. Iodometry is a titration in which the reducing agent is utilised to titrate the iodine formed in the preceding redox reaction, whereas iodimetry is a titration in which the reducing agent is used to titrate the iodine solution directly.