CSC Scientific Blog

A blog about test equipment

CSC Scientific Blog

Don’t Worry - Karl Fischer is Easy

Posted by Art Gatenby on Nov 16, 2015 5:25:25 PM

When we first started measuring moisture with Karl Fischer,I was instructed in the complex chemical reactions involved. I was also was told that the process was skittish.

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Topics: Coulometric Karl Fischer, Volumetric Karl Fischer, Moisture Testing, Karl Fischer, Karl Fischer Titration, Moisture

Karl Fischer vs. Loss-On Drying - Which Method is the Best?

Posted by Amanda Ranowsky on Nov 19, 2013 9:00:00 AM

Karl Fischer Titration and Loss on Drying (LOD) are both methods for determining moisture content in a product. 

That’s where the similarities end, though. Here’s the difference between Karl Fischer and Loss on Drying:

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Topics: Moisture Analysis, Moisture Testing, Karl Fischer, Karl Fischer Titration, Loss-On-Drying

Do I Need A Karl Fischer Oven?

Posted by Art Gatenby on Jan 23, 2013 6:20:00 PM

As you know the Karl Fischer Method of moisture analysis has a reputation of being water specific. The method works through the use of a special Karl Fischer Reagent.

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Topics: Coulometric Karl Fischer, Volumetric Karl Fischer, Moisture Analysis, Karl Fischer Oven, Karl Fischer, Karl Fischer Titration

Coulometric Or Volumetric Karl Fischer -- Which Should I Use?

Posted by Art Gatenby on Jul 3, 2012 12:27:00 PM

As usual when we pose a question,like:

Should you use Coulometric or Volumetric Karl Fischer to measure moisture in your product?

We often get a the reaction, “So Who Cares?” We'll try to answer both questions.

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Topics: Coulometric Karl Fischer, Volumetric Karl Fischer, Moisture Analysis, Moisture Testing, Karl Fischer, Karl Fischer Titration

What is Moisture Content?

Posted by Art Gatenby on May 29, 2012 3:24:00 PM

Last week, as I was reflecting on a recent moisture content problem, I recalled our series “Loss-on Drying and Other Moisture Mysteries.” In that series I examined moisture chemistry in products. However, I did little to define moisture content.

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Topics: Bound Moisture, Free Moisture, Moisture Analysis, Water Activity, Moisture Testing, Karl Fischer, Karl Fischer Titration, Moisture

Karl Fischer Moisture – Answers to Questions We Get Asked

Posted by Art Gatenby on Jul 29, 2011 4:08:00 PM

When People are first introduced to the Karl Fischer Moisture Determination Method, eyes glaze over and we can perceive a mental “Why did I ask?

If you have any history with moisture analysis, you will have found, that for some applications, the Karl Fischer Titration Method is the best and sometimes the only way to get an accurate moisture measurement.

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Topics: Moisture Analysis, Karl Fischer, Karl Fischer Titration, karl fischer moisture, karl fischer moisture determination, karl fischer questions

View from Inside a Karl Fischer Titration Cell.

Posted by Art Gatenby on May 17, 2010 4:26:00 PM

 When people are looking for a way to measure small amounts of moisture, we often recommend the Karl Fischer method.

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Topics: Karl Fischer, Karl Fischer Titration

Is Your Moisture Test Result Really Moisture?

Posted by Art Gatenby on Jan 11, 2010 11:22:00 AM

Most of us think about measuring moisture by...

  1. Drying the material and measure the weight loss 
  2. Using a calibration and electronic instrument 
  3. Using a titration method such as Karl Fischer

When using these processes, we take for granted that the results will be the product's actual moisture.

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Topics: Moisture Oven Test, Infrared Moisture, Moisture Analysis, Moisture Testing, Karl Fischer Titration, Loss-On-Drying

Karl Fischer Titration – Defined? or Over Simplified?

Posted by Art Gatenby on Jan 19, 2009 4:42:00 PM

Often I’m asked “What is Karl Fischer titration?” I’m always somewhat reticent to answer. If I can’t quickly change the subject I revert to a simple explanation, that even I (being somewhat challenged as a chemist) can understand. The explanation seems to help the novice understand Karl Fischer.

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Topics: Coulometric Karl Fischer, Volumetric Karl Fischer, Karl Fischer, Karl Fischer Titration, Moisture

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