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Calibration Solution pH4, pH7 and pH10. pH electrodes drift over time, causing measurement errors. To ensure high accuracy, we recommend regular calibration of pH meters.
500ml buffer solution pH 4.00 + pH 7.00 + pH 10.00 in dosing bottle with certificate
- pH 4, pH 7 and pH 10
- Dosing with certificate
- Various sizes can be selected!
Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
US$40
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