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HANNA Instruments

GroLine pH Calibration Buffer

GroLine pH Calibration Buffer

Regular price $19.99
Regular price Sale price $19.99
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The Groline pH Calibration Buffer is designed with hydroponics, aquaponics and greenhouses in mind. Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.

  • Supplied with Certificate of Analysis
  • Single-use sachets for convenience.
  • Perfect for use with GroLine testers and portable meters!

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 +/- 0.02 pH @ 25°C and are traceable to NIST Standard Reference Materials (SRMs).

  • Solution does not contain any dyes that may stain the reference cell of a pH electrode.

Light Block Foil Packaging

  • Light-tight packet helps to prevent against degradation by UV light.

Supplied with Certificate of Analysis

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