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INDICATOR PAPER with colour scale pH 5.5 – 8.0
Dip the end of the pH strip into the chemical or substance you want to test.
After a couple of seconds, remove the paper and compare the color of the pH strip to the color chart provided with the pH paper kit. Do not re-use a pH paper to retest or test another chemical.
Do not re-use a pH paper to retest or test another chemical.Dip the end of the pH strip into the chemical or substance you want to test.
After a couple of seconds, remove the paper and compare the color of the pH strip to the color chart provided with the pH paper kit.
Do not re-use a pH paper to retest or test another chemical.
This Hydrion pH Paper provides excellent color separation in both the acid range (below pH 7) and the alkali range (above pH 7). Commonly used to test urine and saliva, it offers an easy to read, single color match at every .
pH indicators exist as liquid dyes and dye-infused paper strips. They are added to various solutions to determine the pH values of those solutions. Whereas the liquid form of pH indicators is usually added directly to solutions, the paper form is dipped into solutions and then removed for comparison against a color
Here is a chart of common pH indicators, their pH range, their solutions, and their color changes. Some indicators display multiple color changes, so they occur on the list more than once. Various references list slightly different pH values and colors.