8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 1 - 3 indicates a very acidic substance. 4 - 6 indicates an acidic substance. 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. compare the color change of the paper to find out the acidity level of your testing subject. The test sdivip color changes must be matched with the pH scale color chart within about 15 seconds.
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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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NOTE:This paper does not apply to buffer solutions and very weak acid-base solution concentration lower than 0.01%.Store in a cool, dry place away from sunlight. Instructions: 1. Take one strip and dip it into the solution you would like to measure. The color of your strip will change immediately.2. Quickly match this color against the color chart on the inside of package to obtain the pH in 15 seconds. Do not wait or let the strip dry!3. The number next to the color on the chart is your pH. The pH scale ranges from 1 (very acidic) to 14 (very basic), 7 is neutral. Description:Testing Range: 8.2-10.0 PrecisionOverall Size: 55x9mm / 2x0.35 inch (L*W)pH test strips are widely applied to industrial chemical testing, science education, lab use, drinking water, swimming pool, spa, aquarium and classroom analytical chemistry.
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Type: Red Litmus Strip. Color Change Range of Litmus: PH 4.5 ~ 8.3. Application: red litmus paper turns blue for bases. - When red litmus paper is placed into a basic substance (PH>8.3), it will turn blue.
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The scale reads from 1 to 14 12 - 14 indicates a very high level of alkalinity. Each book also includes a color chart.
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