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What is titration with an example and solution?

Titration is a method used in chemistry. It helps find the concentration of an unknown solution.

This process involves mixing it with a solution that has a known concentration. We call this solution the titrant.

The mixing continues until the reaction is complete. Let's look at examples of Karl Fischer Titration. This is a common method for measuring moisture, as shown in the images.

1. Volumetric Karl Fischer Titration (Example)

**Principle:** It measures moisture.
•You add a specific amount of Karl Fischer reagent (titrant) to the sample.
•The process continues until we reach the endpoint.
•Example: Determining the water content in a pharmaceutical raw material.

•Solution & Features (from the image):
•Supports KF Titration Mode and Titer Detection Mode.
•Has features like auto-filling, auto-purging, and auto-mixing of reagents for safe handling of Karl Fischer chemicals.
•Offers automatic/manual background drift correction for accurate results.
•You can choose units like mg, mg/L, %, or ppm. You can also adjust parameters such as polarization current, stirring rate, and titration rate.
•Stores up to 200 titration data sets (GLP-compliant).
•Equipment includes: 10ml Burette, Volumetric titration cell, Measuring electrode, Electrolysis electrode, etc.

2. Coulometric Karl Fischer Titration (Example)
•Principle: It creates the Karl Fischer reagent using electricity in the titration cell. The amount of reagent depends on the charge passed (Faraday’s law). This makes it good for finding small amounts of moisture.
•Example: Measuring trace water in a petroleum product.
•Solution & Features (from the image):
•Uses a generator cell with a diaphragm.
•Also has automatic/manual background drift correction for accuracy.
•Supports units like μg, mg, %, ppm, mg/L, μg/mL.
•Allows setting parameters (e.g., generator current, endpoint potential, stop criterion).
•Stores up to 200 GLP-compliant titration data sets.
•Equipment includes: Coulometric titration cell, Measuring electrode, Electrolysis electrode, etc.

General Features of the Titration System
•Display & Data: Equipped with an LCD screen to show titration methods, curves, and results in detail. It also has a data analysis feature for reviewing and comparing results.
•Connectivity & Reset: Data can be transferred to a printer via an RS-232 communication interface, and a reset feature restores all settings to factory defaults.

In summary, titration—shown here through Karl Fischer methods—is a powerful tool for precise chemical analysis. It has volumetric and coulometric versions suited to different concentration ranges and sample types, all backed by the specialized features and equipment detailed above.

No previous NEXT：What Are BOD Incubators And Its Uses?

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