Ph paper

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Ph paper, litmus paper, orange, testing for acid, alkaline, acidity, concept, idea, close-up, closeup, white background, clean, hygienic, health, care, scientific, research, cutting edge

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Size: 5315px × 3565px
Photo credit: © alyons / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: acid, acidity, alkaline, background, close-, closeup, cutting, edge, lands, litmus, orange, paper, ph, research, scientific, testing, white, wop