Picture Name

RIYAN PH Test Pen

Series of products: Pens

  • RIYAN PH Test Pen

    Can be simple to measure paper or cloth and other solid surface PH value and pen.

    Note:
    In order to make a correct judgment, observe the following:
    1, to compare colors in bright places.
    2. In order to make a correct judgment, it is necessary to make a judgment in a short time (within 5 minutes).
    3. It is difficult to make a correct judgment in the place where more volatile substances (acid, alkali) are produced.


     

     Method of use:
    Apply the drug solution and compare the color change of the applied area with the standard color chart attached to the test,
    In order to determine the pH value.