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Description
pH Standard 4 at 25 ºC at 4.00 units in H2O, 500 mL.
ISO 9001:2015 certified and ISO/IEC 17025:2017 accredited.
12 month expiration date.
pH Standard 4 at 25 ºC at 4.00 units in H2O, 500 mL.
ISO 9001:2015 certified and ISO/IEC 17025:2017 accredited.
12 month expiration date.