HM Digital's pH buffer solution comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life. Use these buffers with any pH instrument for easy calibration. Dry so it travels easily.
FEATURES
SPECIFICATIONS
Total volume: 1.2 liters. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water - not included)
Contents: 3 packets of 4.0 pH, 6 packets of 7.0 pH, 3 packets of 10.01 pH
Extra: Includes one empty 100 ml bottle
Accuracy: +/- 0.02 pH at 25 degrees Celsius
Preparation directions included with the pack
pH Buffer Solution Variety Pack, 12 Powder Pillows (3 x pH 4.0, 6 x pH 7.0, 3 x pH 10.1). Each pillow is diluted with 100 mL distilled or deionized water. Solution is stable for 2-4 weeks.
