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Calibration and maintenance set with standard (DIN/NIST) buffer solution, 3 bottles, 250 ml each: pH 4.006 - 6.865 - 9.180, 1 bottle with 250 ml pepsin cleaning solution, 1 bottle with 250 ml KCl solution 3 mol/l.
Ships within 48 hours · Estimated delivery Aug 30 - Sep 4
US$40
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