Bluelab pH 4.0 Calibration Solution 20 ml Sachets

by BlueLab
$32.40

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pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pHᅠinstruments areᅠcalibrated to pH7.0 first (buffer)ᅠthen to pH4.0 (slope). Bluelab's EC/CF equipment does not need calibrating as they are all factory calibrated. The CF27.7 (EC2.77)ᅠsolution is used as a reference or checking solutionᅠto ensure you have adequately cleaned the EC/CF probe.

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