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Cynthia MartinJul 27, 2025
Why is the slope too small on calibration of Metrohm Measuring Instruments?
- DDarryl BaileyJul 27, 2025
If the slope is too small on the calibration of your Metrohm Measuring Instruments, it could be due to a dirty pH or ISE membrane or diaphragm, which requires cleaning. If you've been measuring in a non-aqueous solution, the glass membrane might be dehydrated; immerse the electrode in water between measurements. The buffer or standard solutions might be poor, so replace them. Alternatively, the electrode might be 'used up' and needs replacement.
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