(The pH value is best between 5 and 6). You can use it when doing laundry! (As long as the water in the final wash is neutral! The pH value is at 7). Tear off the test strip, take a drop of the solution to be tested and drop it on the test strip, the solution and the strip have a color reaction, and then compare with the color card to get the pH value.
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Paper and using the color chart included, compare the color change of the paper to find out the acidity. Can not indicate the Acid or alkali solution when its density was lower than 0.01%.
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8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. The scale reads from 1 to 14 Each book also includes a color chart.
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Litmus papers are used to determine the pH level of a liquid and determine if a solution is acidic(Red), basic(Blue), or neutral. Widely used for industrial chemical testing, science education, laboratory use, drinking water, swimming pool, spas, aquariums,s and classroom analytical chemistry.SpecificationAccuracy: 1 pHTesting Range: 1-14Testing Paper Size: 50mmx9mm (L*W)Overall Size: 72mmx49mm (L*W)Packing List: 1 x Litmus Test Kit (80/Pack)AdvantageThere are 14 color-coded scales that go from 1(being the most acidic) to 14(being the most alkaline). Also can be used to determine the strength of acid and base, as we go from 7 to 1 the acidity of the solution increases. Comes in a box, easy to store and reduces the chance of moisture.InstructionDipping the pH paper into a solution and observing the change in color of the paper.
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Book Of 20 Litmus Papers - Range pH1 to pH 11.
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8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. pH range:1-14. The scale reads from 1 to 14.
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8 -11 indicates alkalinity. 12-14 indicates a very high level of alkalinity. Test range (included pH 1-14 color chart 1 TO 14) The test strip color changes must be matched with the pH scale color chart within about 15 seconds.
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A Range Of Johnson pH & Litmus Test Papers. Use Litmus Paper to Test for Acids and Bases ( Alkalines ), and Universal Test Paper, for an Acurate pH Reading by Comparing Against the Provided Colour Charts.
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