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When measuring trace oxygen, can I use plastic tubing to deliver the sample to the analyzer?

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When measuring trace oxygen, can I use plastic tubing to deliver the sample to the analyzer?

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Recognizing that ambient air contains 209,000 ppm (20.9%) of oxygen, use of plastic sample tubing exacerbates the chance that an oxygen leak from outside air will taint the readings. A minute air leak can render a measurement useless. Usually, copper or stainless steel tubing is always the materials of choice.

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