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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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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Acidic substances are indicated by a pH of 0-6, neutral by a pH of 7, and alkaline by a pH of 8-14. Just dip the strip in compare it to the color chart provided. The pH range of 0-14 ensures wide usability.
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Take a strip of litmus paper. pH indicator paper can test from 1 to 14. 1-3 indicates strong acidic, 4-6 indicates weak acidity, 7 indicates neutral, 8-11 indicates weak alkalinity, 12-14 indicates strong alkalinity.
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The test strip color changes must be matched with the pH scale color chart within about 15 seconds. Different pH content discoloration range is different, by comparing the color card ratio: the smaller the number, the stronger the acidity, the larger the value, the stronger the alkalinity.
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Pack of 80 pH strips to test for acid and alkali in liquids. Range from 1-14. pH level colours are shown on the booklet. Perfect for chemistry lovers or medicinal purposes.
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8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 1 - 3 indicates a very acidic substance. press the testing strip to the object or liquid you are testing. Half second later, take out the paper and using the color chart included, compare the color change of the paper to find out the acidity level of your testing subject.
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NOTE:This paper does not apply to buffer solutions and very weak acid-base solution concentration lower than 0.01%.Please note that solutions with a pH of 5.5 will result in a yellow colored test strip that resembles the original color of the dry strip.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: 1-14Overall Size: 55x9mm / 2x0.
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