【INSTRUCTIONS】 - PH 1-14 Full Range Test Strips,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
【WIDELY APPLICATION】 - PH Test Paper has be Recommended to use in General Laboratories, Industrial Testing,Garden and Soil Testing; Many university also commonly used it for science education
【MATERIAL】 - Bettomshin 1-14 2Pcs PH Test Paper is made of absorbent paper soaked in litmus reagent
【PACKAGE CONTENT】 - Comes with 2 Pack(160 pH Strips)
【WARM TIP】 - PH test strip should be stored in a dry place to avoid light, and no sour and alkaline air can be stored again
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