Hanna GroLine pH 10.01 Calibration Buffer — 230 mL
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pH 10.01 is the alkaline calibration point, used as the second point when your samples run basic, or to verify a meter across the full scale. 230 mL bottle.
Hanna calibration buffers are prepared to precise formulas and standardized against NIST-traceable reference standards, so your meter reads true every time you calibrate. Each container is airtight with a tamper-proof seal, and the lot number and expiration date are printed on the label. Unopened, Hanna buffers carry a 5-year shelf life.
