Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each Beneficial Insects Part Number: 2612-40

Part Number: 2612-40

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Apera Instruments AI1113 pH Calibration Buffer Solution Kit (7.00, 4.00), 8 oz. Each Beneficial Insects Part Number: 2612-40Reported values are accurate to + 0. 01 pH at 25 C and are traceable to NIST Standard Reference Materials (SRMs). Produced in an ISO 9001: 2015 certified facility using high purity reagents, deionized water and certified analytical balances in a temperature controlled environment. color coded for quick identification. Double sealed. 2 year expiration from manufacture for an unopened bottle.