What is the best way to measure pH in soil samples?

Document ID

Document ID TE5132

Published Date

Published Date 12/03/2017
Question
What is the best way to measure pH in soil samples?
Summary
pH in soil
Answer
When testing the pH of soil based samples it is advisable to use a pH probe with a strong glass tip and high electrolyte outflow. Mix 5 g of the soil sample with 25 g of deionized water while stirring carefully. Let the mixture stand without stirring for 10 minutes to seperate the particles from the liquid. Insert the pH probe in such a way that the glass bulb is totally covered by particles, but the diaphragm is not. Wait for a stable reading.