Hanna HI7004L pH 4.01 Calibration Buffer Solution (500 mL)
The Hanna HI7004L is a premium pH 4.01 calibration buffer in a 500 mL bottle — used to calibrate any Hanna pH meter or electrode at the acidic point for accurate, repeatable readings.
Key features
- Standardized against NIST reference materials; values accurate to ±0.01 pH @ 25°C
- Temperature-vs-pH chart printed on each bottle; lot number and expiration date marked
- Air-tight, tamper-proof bottle; dye-free so it won't stain the electrode reference; 5-year unopened shelf life
Use with: all Hanna pH meters and electrodes (HI98199, HI2020, HI2209, HI6221, HI98129/HI98130, HI97745 and more). What's included: one 500 mL bottle of pH 4.01 buffer.
Browse meters in our Hanna WQ Meters collection.
Estimated shipping weight: 1.3 lb.
Regular price$21.99
/
