P H Indicator Paper Universal 2.0 - 4.5

About P H Indicator Paper Universal 2.0 - 4.5

• What it isUniversal pH indicator paper is made of a mixture of compounds that change color when they react with a solution.The color change indicates whether the solution is acidic, neutral, or alkaline.
• How it worksWhen the paper is dipped into a solution, it changes color.The color can be matched to a color chart to determine the pH of the solution.
• What the colors meanThe colors indicate the following pH levels:
  • Red: Strong acids (pH 03)
  • Orange to yellow: Weak acids (pH 36)
  • Variations of green: Neutral solutions
  • Blue: Weak bases (pH 811)
  • Indigo to violet to fuchsia: Strong bases (pH 11+)
• How to use itDip the colored side of the paper into the solution, stir, shake off excess, and compare the color to a chart.