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amtra Calibration Kit pH - calibration solutions for digital pH meter
- Calibration solutions at determined pH for the re-calibration of digital testers
- contains 2 bottles of 25 ml each
- Solutions at pH 4.00 and 6.86
- ideal for the calibration of amtra Digital pH Tester
- also usable for pH testers from other brands
- Calibration solutions at determined pH for the re-calibration of digital testers
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