Vernier Software and Technology
Vernier Software & Technology
Tech Info Library

Can I perform a two-point calibration for the Optical DO Probe?

Yes. Traditionally, a solution of sodium sulfite is used as the zero-oxygen calibration solution but this is NOT recommended for the Optical DO Probe. A zero-oxygen calibration solution can be created by bubbling nitrogen gas into distilled water.

RELATED TIL ENTRIES
TIL 2999: How do I create a zero-oxygen calibration solution for the Optical DO Probe?

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