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How to apply Karl Fischer principle to titration

time:2024/10/14   source:Wuhan UHV  reading:2115 time

The trace moisture analyzer under UHV power can help many power workers conduct various power tests more conveniently.

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Karl Fischer titration method for analyzing moisture in oil samples. This analysis program is particularly useful for detecting high moisture content and trace moisture content. This method was invented by German chemist Karl Fischer in 1935.

The testing process involves a chemical reaction between water and iodine in the reagent. Distribute a small amount of iodine into the sample until the reaction endpoint is reached. The amount of iodine used in the reaction is directly proportional to the amount of water in the sample. The following reaction occurs in the presence of a solvent mixture:

I 2  +  2 H 2 O + SO 2   →  2 HI + H 2 SO 4

The Karl Fischer titration method is very accurate, with results ranging from 1ppm to 100%. Another significant advantage is that, unlike traditional loss of weight (LOD) methods, this process is not adversely affected by the presence of other volatile compounds - LOD methods can detect the loss of any volatile substance, not just water.

The impact of water pollution can be catastrophic and ultimately lead to catastrophic machine failures.

Then, we can examine how the oil condition has changed from its original state to a usable state and provide recommendations as needed.

OCSS uses both volumetric and electrical analysis methods to determine the moisture content of Karl Fischer. This can determine a wide range of moisture content, such as in transformer oil.

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