Powder calibration solutions, light, compact, economical and with an indefinite shelf life. Contains 6 sachets with pH4 and 6 sachets with pH7.
How to use the pH calibration solution:
With each sachet of powder calibration solutions, 100 ml of calibration solution are obtained (the contents of the sachet must be mixed with distilled or deionized water).
What does the pH calibration solution include?
Includes a 100 ml bottle to make the preparation and instructions for the preparation. Ideal for shipping by mail or other means due to its lightness and small size.