Easy to use- hold the litmus test strip in the liquid. Read the result after approx. 15 seconds and compare it with the pH color chart. 100 x PH test paper. PH range: -14. Easy to carry. Material:paper.
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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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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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Easy to use- hold the litmus test strip in the liquid. Read the result after approx. 15 seconds and compare it with the pH color chart. 100 x PH test paper. PH range: -14. Material:paper. Suitable for checking the alkaline or acidic content of a liquid.
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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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PH range from. ● Plastic paper.
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Easy to use- hold the litmus test strip in the liquid. Read the result after approx. 15 seconds and compare it with the pH color chart. 100 x PH test paper. PH range: -14. Easy to carry. Material:paper.
eBay
Easy to use- hold the litmus test strip in the liquid. Read the result after approx. 15 seconds and compare it with the pH color chart. 100 x PH test paper. PH range: -14. Easy to carry. Material:paper.
eBay