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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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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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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8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. PH 1-14 universal indicator papers for alkaline / acid tests. Test Range: PH 1-14. Dip the strip into the solution to be tested for half a second, take out and contrast with the color chart, you will get PH values.
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8 - 11 indicates alkalinity. 12 - 14 indicates a very high level of alkalinity. 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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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. PH 1-14 universal indicator papers for alkaline / acid tests.
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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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Litmus paper changes color within 15 seconds to match pH scale color chart. 8- 11 for alkalinity. -14PH test paper. Scale to 14 【Product grade】Qualified product. Due to the difference of different monitors, the picture may not reflect the actual color of the item.
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