Hanna Standard pH 4.01 Buffer Solution, 3.78 L Hanging Scales Sensors and Cables are all

Sensors and Cables are all sold separately

Approximately 1

Digital depth display

Hardness: 0-500 ppm

Hanna Standard pH 4.01 Buffer Solution, 3.78 L Hanging Scales Sensors and Cables are allProduct Code: HI7004 1G Hanna HI7004 1G is a high quality pH 4. 01 calibration buffer solution supplied in a 1 US gallon (3. 78 L) bottle. It is formulated for accurate calibration of pH meters and electrodes and is particularly useful when testing samples expected to have a near neutral pH. The solution is red colour coded for easy identification and provides an accuracy of 0. 01 pH at 25C. Hanna prepares its calibration buffers using high purity