GroLine pH 4.01 Calibration Buffer (230 mL) winemaking ORP electrode Run water for 2-3 minutes

Run water for 2-3 minutes to flush and activate

Wine samples present unique challenges for pH measurement due to their complex chemistry

Range: Brix 0

from a tree) and allow gravity to pull water through the filter

GroLine pH 4.01 Calibration Buffer (230 mL) winemaking ORP electrode Run water for 2-3 minutesHI7004 023 is a high quality pH 4. 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