100pcs 0-14 PH Test Strips Alkaline Acid Indicator Paper

Description:There are acid and alkali test paper, special test paper, qualitative and quantitative test paper and other categories.The principle is that the liq uid reacts with the test paper to make the test paper discolored. The conclusion is drawn by comparing the discolored test paper with the color spots.Compared with the instrument, the test paper is used.Advantages:Easy to carrySafe and reliable    Accurabte measurementLow environmental requirementsCheap economy

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