pH Test Paper Water Control Incense Holder made out of
pH Test Paper Water Control Incense Holder made out ofPaper test strips are convenient and have varied purposes. One purpose is to determine the acid content of substances by measuring the pH, or concentration of hydrogen ions. This type of paper contains a dye that changes color within a certain range of pH values.
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USA
- USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8