Hanna GroLine pH 7.01 Calibration Buffer (500 mL) winemaking refractometer bundle 20 mL sachet (2 pcs

20 mL sachet (2 pcs

The plastic body protects the electrode from damage

Food-Grade: Yes (safe for direct food contact)

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Calibration tags: Shows which buffers were used for calibration

Hanna GroLine pH 7.01 Calibration Buffer (500 mL) winemaking refractometer bundle 20 mL sachet (2 pcsHI7007 050 is a high quality pH 7. 01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper proof seal to ensure the quality of the solution. Hanna's line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened