Acid - Neutral - Base Test Paper
Product Number: SB06988
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Replaces litmus paper as a method of determining acidity, neutrality, or basicity of a solution. Provides a neutral color transition range of only 1.0 pH unit (pH 6.4-7.4), whereas the transition range of litmus is pH 4.5-8.3. pH range: acid (2.0-6.3), neutral (6.4-7.4), and base (7.4-13.0). 1/4 in. x 1-7/8 in. strips. 100 strips per vial.