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Frequently Asked Questions
The TDF instrument produces about 475 ml per assay of filtrate waste consisting of about 75% ethanol-based solution, about 2,850 ml per run (6 stations). There is also water, buffer solution, and ethanol pumped through the system to flush lines and...
Frequently Asked Questions
Over a period of years, the buffer valve, and possibly others, may begin to corrode the brass valve body. As of November 2022, the buffer valve in new instruments comes with a PEEK chemical-resistant valve body. However, older instruments may show...