SEAL Analytical Monthly Newsletter -
August 2021
MONTHLY TROUBLESHOOTING TIP
The use of surfactants are common in segmented flow instrumentation and select discrete analyzer methods. The age of the surfactant is important for proper flow and usage. Specifically, for Brij-35 - the 30% solution should not be heated and less than 6 months old. If heated or old, nitrate reduction via cadmium reduction will degrade quickly and ammonia baselines will be unstable.
SOFTWARE FEATURE: Smart Auto Dilute AQ 2.4.5
In the AQ software version, AQ 2.4.5 there is a new feature called Smart Auto Dilute. It will allow the software to automatically reschedule samples that read higher than the calibration range with a dilution factor based on the sample’s absorbance rather than based on the auto-dilution factor set in Test Parameters.

To turn on, go to Maintenance & Setup then Advanced Parameters. Under Analyser Parameters, change the Smart Auto dilution to Yes. This will then be applied to all tests.

Contact SEAL Tech Support for more information or questions about this process.
SEAL Book Club!
For the past few months SEAL - US have been enjoying reading books together. We will start posting the book for the upcoming month, please feel free to chat with us about it if calling in!

The book for August is The Silent Patient by Alex Michaelides.
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