Are you getting low recovery rates with your Karl Fisher?  We may know why.
Fri, 5/02/10 – 11:26 | No Comment

If your operating a dual-reagent Karl Fisher Titrator and your getting lower than expected moisture results you may want to check a few things.
First, make sure your analytical balance or specific gravity calculation is not …

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Titration

Titrations in the petrochemical, Biodiesel or food industries to define oils or fats. Acid-base titrations, Redox titrations

Density/Refractive/Brix

Density and Brix measurements of fruit, drinks, sauces, etc., refractive index and concentration measurement of materials

Surface Analysis

Explores measuring surface tension of liquids and contact angle analysis of solid substrates

Thermal

Concepts of heat flows through material, thermal conductivity of material and Wet bulb Globe Thermometer (WBGT)

Karl Fischer Titration

A form of titration dedicated to measuring Moisture with parts-per-million accuracy – coulometric or volumetric

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Karl Fisher titration; solid type samples; MKC610DT+ADP611

Submitted by Dan on Friday, 19 June 2009No Comment
Karl Fisher titration; solid type samples; MKC610DT+ADP611

We’ve run many karl fisher tests for people who wanted to know if and how it could be done. You hear a lot about people running a traditional karl fisher titration using direct injection with a syringe and needle. That’s pretty easy. For more awkward samples like a solid or solid-like substance we end up evaluating the moisture using a karl fisher titrator with an evaporator oven. Believe it or not that’s pretty easy too. I guess that’s why I wrote this post. I wanted to let readers know that the process of running a karl fisher test using an evaporator oven is not that difficult. I think the most difficult part is probably working with your sample. To help show how the process works we created this short 7 minute video detailing the steps along the way. Please make note that the instruments used for this demonstration are the karl fisher titrator (MKC-610DT) and the evaporator oven (ADP-611), both manufactured by Kyoto Electronics Mfg. (KEM) and distributed by scientificgear.

Hope you enjoy.







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