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- Posts: 4
- Joined: Thu Feb 13, 2014 9:19 pm
Our lab has a Dionex ICS-2100 instrument that we acquired about a year ago. Up until about a few weeks ago, we have been able to run the instrument about 1-2 times per week and only having to recalibrate about once a month. We used to run IC on a Lachat instrument before acquiring the Dionex and that calibration always lasted one month. Recently in the past 3 weeks, we have had to recalibrate before each use (about once a week). The instrument seems to be losing the calibration a lot quicker than before. I'm curious to hear everyone's thoughts on calibrating the instrument - do you calibrate before every run? Once a week? Once a month? Preferences? Another inquiry I have is if anyone has seen fluctuations in the instrument due to weather. We have started keeping track of temperature and humidity because we noticed a trend in the calibration of the instrument (although our service tech assures us the instrument will not fluctuate due to environmental conditions). I appreciate any thoughts and comments you may have regarding these two subjects. Thank you.