PyroScience offers ready-to-use capsules for 0% O2 calibration of optical oxygen sensors. When mixed with distilled water, one capsule will produce 50 mL deoxygenated solution for the 0% O2 calibration. Stability of the calibration solution highly depends on the ratio of calibration solution/gas phase in your storage vial. When stored in a sealed glass vial with little gas room, the solution can be used for several days.
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