HANNA’s pH Technical Buffer Solutions are dedicated to measurements that require extremely accurate pH monitoring and come with a certificate of analysis prepared by comparison against NIST standards.
- Airtight bottle with tamper-proof seal ensures quality and freshness of solution.
- Each bottle marked with lot number and expiration date.
- Hanna pH buffers are specially formulated to have an expiration of 5 years from manufacture 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