Hanna Instruments pH 4.01 Calibration Solution, 20 mL - Case of 25 Container Size:20 ml - Case of 25 Carbon: Australian Virgin Charcoal

Carbon: Australian Virgin Charcoal

the X2 features a 3-Channel fully customizable spectrum

TAKE A DEEP BREATH AND BLOW IT UP

Water Pressure Rating - Min: 20 psi - Max: 90 psi

Hanna Instruments pH 4.01 Calibration Solution, 20 mL - Case of 25 Container Size:20 ml - Case of 25 Carbon: Australian Virgin CharcoalThis buffer value is widely used in water purification plants, in the food industry, and wherever the pH is expected to be slightly acidic Hanna Instruments ph 4 Buffer Specs: Traceable to NIST standards Available in bottles or sealed sachets, complete with or without a certificate of analysis Multiple resolutions for better accuracy NIST Traceability Standardized using a pH meter calibrated by means of two standard solutions prepared from NIST