HM Digital's pH buffer comes in powder form, so it's lightweight, takes up very little space, is inexpensive and has an indefinite shelf life. Put into solution only what you need, when you need it. For optimal performance, re-calibrate your pH meters on a regular basis.
Features...
- Variety pack of popular pH buffer solutions.
- Simple to use. Just add 100ml per powder packet
- Powder has an indefinite shelf life.
Specifications...
- Total volume: 1.2 liters. Each powder packet makes 100 ml of solution (when mixed with distilled or deionized water).
- Includes one empty 100 ml bottle.
- Accuracy: +/- 0.02 pH at 25 degrees Celsius.
- Preparation directions included with the pack.
Contents...
- Twelve powder packets:
- 3 packets of 4.0 pH
- 6 packets of 7.0 pH
- 3 packets of 10.01 pH.
- 1.2L total quantity.