pH 4.01, 7.01 and 10.01 Technical Calibration Solutions (3 x 500 mL)

HI54710 is a set of premium quality pH 4.01, 7.01 and 10.01 technical calibration buffer produced in accordance with ISO 3696/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. Reported values are accurate to +/- 0.01 pH @ 25^°C and are traceable to NIST Standard Reference Materials (SRMs).

The HI54710 is supplied with Certificate of Analysis

• Product code
• Lot number
• Mean lot value
• SRMs that were used
• Manufacturing date
• Expiration date

Air tight bottles with tamper-proof seals

• Bottle is hermetically sealed to prevent any air (CO₂) from entering and causing a change in the pH buffer value. When the bottle is opened for the first time it is as fresh as the day it was produced in our factory

Each bottle marked with lot number and expiration date.

• Hanna buffers are specially formulated to maintain their pH value for an unopened bottle.

Color coded label for easy pH buffer value identification

• Easy to identify different buffer values
• Solution does not contain any dyes that may stain the reference cell of a pH electrode