Description
HI84429-60 is a premium quality pH 8.30 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℃ and are traceable to NIST Standard Reference Materials (SRMs).
Air tight bottle with tamper-proof seal
- Ensures quality and freshness of solution
Each bottle marked with lot number and expiration date
- Hanna buffers are specially formulated to have an expiration of 5 years from manufacture for an unopened bottle
Color coded label
- Easy to identify different pH buffer values
pH 8.3 phenolphthalein endpoint
- When using phenolphthalein as an indicator for acid base titrations a faint pink color change occurs at pH 8.3