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pH observed with Honeywell pH electrodes Current Plan for Calibration and Cleaning Gel replacement

pH: SATURN-03; SATURN-04. pH observed with Honeywell pH electrodes Current Plan for Calibration and Cleaning Gel replacement Checking with Buffers. pH vs Temperature; SATURN-03. BC = before cleaning AC = after cleaning Calibration Analysis eleven times from 20120917 - 20130104.

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pH observed with Honeywell pH electrodes Current Plan for Calibration and Cleaning Gel replacement

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  1. pH: SATURN-03; SATURN-04 • pH observed with Honeywell pH electrodes • Current Plan for Calibration and Cleaning • Gel replacement • Checking with Buffers

  2. pH vs Temperature; SATURN-03 • BC = before cleaning • AC = after cleaning • Calibration Analysis eleven times from 20120917 - 20130104

  3. Percent Drift SATURN-03

  4. pH vs Temperature; SATURN-04 • BC = before cleaning • AC = after cleaning • Calibration Analysis six times from 21021002 – 20130107

  5. Percent Drift; SATURN-04

  6. Current Calibration Plan (including gel replacement) • Calibrate once monthly, record pH before and after cleaning and track adjustments made • Check in buffers at least once weekly before and after cleaning • Track data and look for trends and when to replace gel

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