Acid or Alkali?
PH Test Paper is one of the most useful tools in a laboratory. This is wide range pH Test Paper, ideal for just about any use from testing the acidity of soil to general chemistry uses.
Simply dip the paper strip in the solution to be tested and in seconds the paper will change color. Hold the strip up to the color chart on the vial and you'll instantly know the pH of the solution. pH paper is preferred by many chemists over expensive electronic pH meters that require frequent calibration and electrode replacement.
Inexpensive & foolproof.
Each vial contains 100 strips.