pH 9.18 Calibration Solution w/ COA (500 mL)

HI7009UL/C is a premium quality pH 9.18 calibration solution. 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 HI7009UL/C is supplied with Certificate of Analysis

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

Air tight bottle with tamper-proof seal

• Ensures quality and freshness of solution

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