Hanna Instruments HI7004L 4.01 pH Calibration Buffer Solution, 500mL Bottle combination electrode Tear open one fresh M10031B

Tear open one fresh M10031B sachet

A certificate of analysis is available on request

With four measurement scales

Range: 0-9990 ppm: (0 – 999 ppm the resolution is 1 ppm

The reagents are designed for use with samples that have an expected maximum range of 0

Hanna Instruments HI7004L 4.01 pH Calibration Buffer Solution, 500mL Bottle combination electrode Tear open one fresh M10031BThis buffer value is widely used in water purification plants, in the food industry, and wherever the pH is expected to be slightly acidic. 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 standard reference materials. Color