Testing Range: 3.8-5.4 Precision; Size: 55mmx9mm / 2"x0.35" (L*W).pH Color Chart Intervals: 3.8, 4.1, 4.4, 4.6, 4.8, 5.1, 5.4, above 5.4.NOTE: Please store in a cool, dry place away from sunlight.This paper does not apply to buffer solutions and very weak acid-base solution concentration lower than 0.01%.Widely applied to industrial chemical testing, science education, lab use, drinking water, swimming pool, spa, aquarium and classroom analytical chemistry.
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Item# : SPM12487556205
Model # : a19031600ux0172