HI-7009L

HI-7009L is a premium quality pH 9.18 calibration solution (500mL). It is 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 +/- 0.01pH at 25°C and are traceable to NIST Standard Reference Materials (SRMs).

• Each bottle marked with lot number and expiration date
• Air tight with a tamper-proof seal to ensure the quality of the solution
• Colour coded label for easy pH buffer value identification
• Specially formulated to have an expiration of 5 years from manufacture for an unopened sachet
• Temperature chart of the actual pH value at various temperatures printed on each bottle