View from Inside a Karl Fischer Titration Cell

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

The first question many ask is, "What is Karl Fischer?" The second question usually is, "How does it work?" 

I thought it might be interesting to answer the second question from the perspective of actually being inside the Karl Fischer Titration Cell... read more

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

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... read more

Can You Do a Fast Moisture Test?

The direct methods of Loss on Drying and Karl Fischer have the benefit that between them they can get a good moisture content result on almost any product or material.

But these tests usually take several minutes... read more

Karl Fischer Moisture - Answers to Questions We Get Asked

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... read more.

Do I Need a Karl Fischer Oven?

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... read more.

Is In-Line Moisture Measurement for You?

Five years ago, we published an article on in-line vs. off-line moisture measurement. At that time we debated whether these measurement systems should be called on-line or in-line. We chose to use the term "on-line". Since then, however, the world of the internet became known as "online". So, to avoid confusion, we changed our view and now refer to direct measurement as "in-line" moisture measurement... read more.

Measuring Moisture Contents in the Snack Food and Baking Industries

With the steady rise and success of chips, corn curls, cookies, breads etc., the snack food and baking industries have now become more competitive then ever. The most powerful and destructive natural force on earth has taken a stand in the industry as one of the most commonly measured properties in food materials - water... read more.

How I Learned That Black Liquor Was Not Dark Rum

When our customers tell me about the different places where CENCO and CSC Digital Moisture balances are used it always interests me.

A few weeks ago, I was asked if I understood the Black Liquor application for moisture testing. As far as I knew, it was something about maybe Extra Dark Bacardi Rum or Moonshine in a Black Bottle.

When I responded with that they replied:

“No Art, it’s about a major process in pulping for paper making”... read more.

What is Moisture Content?

In the world of material testing, moisture content is different things to different people. However, there is a common concern. Manufacturers, distributors and retailers each are concerned with how moisture content affects what they are making, shipping, storing or selling... read more.

What Can I Use to Get the Moisture Content in My Product?

A question we get a lot is:

“How do I determine the moisture in my product?

Of course, the answer is often “it depends”, and the method does depend on the chemical and physical composition of the product. There are several methods used to determine moisture content: Loss-on-Drying (also known as Weight Loss), Karl Fischer, NIR, and Radio Frequency... read more.

Is Your Moisture Test Result Really Moisture?

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... read more.

How Wide is the Moisture Measurement World?

At one end of the spectrum is the classic Speedy Moisture Tester where you use the reaction of water with calcium carbide to cause a mini explosion resulting in a moisture measurement reading. This method is used frequently for soils, concrete, and other like materials... read more

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Is Your Moisture Test Result Really Moisture?

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.

Not always so... read more.

Why Do I Get Inconsistent Moisture Test Results?

That is an issue for many of you who test for moisture. We discussed the complexities and multiplicity of issues involved with moisture content determination in our “Loss-on Drying Moisture Analysis and other Moisture Mysteries” series.

In addition to intrinsic properties of test samples that may adversely affect moisture testing systems, automatic equipment parameter set-up, operator oversights andsample handling contribute to seemingly intractable moisture test result inaccuracies... read more.

Moisture Content and Water Activity - What Are They?

Many accessing our web site ask questions such as: "How does water content affect water activity?" "How is water activity different from water content?" "Can I convert from moisture to water activity?"

I previously commented on water activity and now hope to clarify the differences between water activity and moisture content. Given that both of these measurements deal with water connected to a material, we must first understand of water content in a product... read more.

Moisture Content - Water Activity - Are They the Same Thing?

Many accessing our web site ask questions such as: "How does water content affect water activity?" "How is water activity different from water content?" "Can I convert from moisture to water activity?"

Given that both of these measurements deal with water connected to a material, we must first understand of water content in a product... read more.

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