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; Aquapal III Seals and Caps=lower drift

Submitted by Mark on Wednesday, 16 September 2009No Comment
Karl Fisher; Aquapal III Seals and Caps=lower drift

aquapal-iii-karl-fisher-titrator

Aquapal III Karl Fisher glassware parts

We have found that a number of Aquapal III users have been operating the Karl Fisher titrator without the seals that go with the caps on the vessel. If the seals are not used excessive ambient moisture can seep into the top of the vessel (headspace). If this is happening you may be seeing longer pre-conditioning times, higher drift values and higher reagent use.
We just want to remind the operators of the Aquapal III about the importance of this issue and that using the seals should be included in your every day use.  You may want to double check.
If you have any questions on this subject or have other technical concerns please contact us via email or give us a call.
I hope you find this information helpful.



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