PS: It is primarily used for auxiliary testing and preliminary screening. Its measurement results can serve as corroborative data for judgment, but cannot be used as the sole or final basis for decision-making.
Properties
Name |
Content |
|---|---|
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Project name |
Moisture%
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Method |
Karl Fischer Capacity Method
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Price |
Upon request
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Notes |
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Product Details
The Karl Fischer titration method is based on the iodine oxidation of sulfur dioxide reaction, and accurately determines moisture by titrating iodine (with an accuracy of ppm level).
Application scenarios
1. Pharmaceutical industry
Formulation stability: Monitor the moisture absorption of tablets and capsules (moisture affects degradation rate).
Solvent residue: Determination of trace water in organic solvents (acetonitrile, methanol).
2. Chemical and petroleum industries
Organic solvents: Quality inspection of anhydrous products such as benzene, acetone, ethanol, etc. (moisture content 0.05%).
Oil analysis: Moisture control of lubricating oil, transformer oil, and aviation fuel to prevent emulsification or oxidation.
Polymer: Moisture determination of absorbent materials such as nylon and polyester.
3. Food industry
High sugar and high-fat samples: honey, chocolate (traditional drying methods can decompose samples).
Additives: Moisture control of gelatin and starch (affecting shelf life).
4. New energy materials
Lithium battery electrolyte: Trace moisture causes unstable SEI film (requirement 20 ppm).
Hydrogen fuel cell: Proton exchange membrane (PEM) moisture content affects conductivity.
5. Research and reference materials
Standard calibration: used for calibration of thermogravimetric analysis (TGA) and near-infrared (NIR).
Chemical reaction monitoring: synthesis reactions sensitive to water, such as esterification and condensation.
Inquiry
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