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Fuel Ethanol & Karl Fischer Moisture Testing

One Stop Shop For Everything You Need

Resources for Everyday Fuel Ethanol Moisture Testing

Moisture by Karl Fischer titration is the industry standard - Let us help you.

Hank Levi 3 - Version 2.jpgKarl Fischer titration is the most reliable way to obtain accurate and repeatable results. Everyone agrees and trusts moisture results that are obtained by the Karl Fischer Titration method. And, while Karl Fischer moisture testing is widely accepted, it does have its requirements for maintaining a reliable on-going testing environment. 

In order to maintain reliable Karl Fischer moisture testing and reporting, there are some general good housekeeping processes that should be maintained:

  • Have access to annual calibration and preventative maintenance services
  • Have access to reliable repair technicians
  • Ability to obtain Karl Fischer reagent chemicals quickly
  • Develop a system for self-checks using Karl Fischer Water Standards
  • Have access to loaner instruments to prevent down time
  • Have access to experts and consultation when considering new Karl Fischer Instruments
  • Have a routine for easily ordering parts and accessories

We can help with all of these issues. We are experts and specialize in Karl Fischer Moisture Testing. We do this every day, 365 days a year!

Karl Fischer Instrument Repair


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We manufacture Karl Fischer Titrators so we know what makes them tick. Regardless of the model, we can assess and determine what's wrong. Running diagnostics and understanding why failures occur is our specialty. If you are experiencing problems with your Karl Fischer Titrator, contact us right away. We can send you an RMA for sending your instrument in to our service department. It's really easy to do. Just fill out the form on this page and ask us to send you an RMA.

How it works:

  • Request an RMA.
  • Send the instrument in with a copy of the RMA.
  • We will assess the problem and determine what needs to be done.
  • You approve, we fix, we ship the instrument back to you.

Annual Calibration and PM Service


Have us check out your instrument once a year

David.jpegIt's a good practice to have your instrument looked at once per year. We can run diagnostics and perform water tests to ensure the instrument is operating correctly. We can also provide a PM sticker for the instrument with the next service date.

 

How it works:

  • Request an RMA.
  • Send in your instrument with a copy of the RMA.
  • We perform the annual PM service and place a sticker on the instrument.
  • We ship the instrument back to you.

Ordering Parts & Accessories


What model instrument do you have?

Sometimes, getting replacement parts and accessories can be difficult. We work with many coulometric-resized-188.jpgmodels and, in most cases, can assist with these types of day-to-day needs. Fill out the form and let us know what you need.

Typical items ordered:

  • Disposable Syringes and Needles (for introducing samples)
  • Glassware; Electrodes and vessels
  • Desiccant
  • Septums and stir bars

Karl Fischer Reagents & Chemicals


Coulometric Karl Fischer Reagents

Whether you're running a single or a dual reagent setup, we can help.  Different samples work betterScreen Shot 2018-01-17 at 9.32.02 AM-1.png with different reagent configurations. We have multiple solutions you can try.  Sometimes, running a single reagent setup gets the job done. Other times, you need that second reagent to get the reaction you need.  

Here are some reagents to consider:

  • Coulomat AG: This anolyte is designed to work with both one-component (single reagent) and two-component (dual reagent) setups. This anolyte is free of carbon tetrachloride and chloroform.
  • Coulomat AG-H: This anolyte is designed to work with both one-component (single reagent) and two-component (dual reagent) setups. Effective for very polar samples (long-chained hydrocarbons). Free of carbon tetrachloride and chloroform.
  • Coulomat Oil: This anolyte is specifically designed for the determination of H2O in oils. Based on methanol with addition of aromatic and halogenated hydrocarbons to aid solubility.
  • Coulomat A: This anolyte is designed to work with a standard two component coulometry (dual reagent). Contains methanol and chloroform as the solvents.
  • Coulomat CG: This catholyte is designed to work with two-component (dual reagent) setup configurations (Coulomat A,AG,AG-H). Each box contains 10X5mL Ampules. This catholyte contains protected ammonium salts as the reactive component and methanol.

Karl Fischer Water Standards


Check your results by running water standards!

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Water standards are great for verifying that your instrument is operating correctly. We suggest either the 100PPM standard or the 1,000PPM standard.  Both are ideal for running a quick check. We recommend pulling the 4mL of water standard into a syringe and injecting 4 x 1mL samples for a total of 4 tests. You should see repeatable results within an acceptable error range. 

 

We recommend one of these two water standards:

  • 100PPM standard with plus or minus 10PPM error range
  • 1,000PPM standard with plus or minus 30PPM error range

 

Karl Fischer Instrument Loaner Program


Don't have a backup?

We have Karl Fischer Titrators that you can use.

Depending on timing, we typically have some Karl Fischer tirators available as loaners. Just give aquapal_iii.jpgus a call and let us know ahead of time and we can arrange it so you can receive a loaner while your intstrument is down for repair or calibration.

Remember:

  • Contact us ahead of time to reserve a titrator.
  • We will provide a loaner coulometric Karl Fischer Titrator.
  • When we finish repair or PM service we can swap instruments.

New Karl Fischer Instruments


Is it time to consider a new Karl Fischer Titrator?

We can match the technical specifications of your current unit with one of ours.

Karl Fischer titrators come in different shapes and sizes. We understand that not all environments are the same, and personnel who work with these Karl Fischer titrators come with varied backgrounds and experience. We think an easy-to-use instrument that can be used by anyone (non-technical) is a good choice.

Although we have also other choices to offer, we recommend the Aquapal III coulometric Karl Fischer Titrator. Here are some reasons we recommend it for the Fuel Ethanol Industry:

  • Easy-to-use and ideal for non-technical operators.
  • Made in the USA.
  • All annual PM service, repairs, and calibrations are done locally in the USA.

 

Are you ready to rock?