The pH grade og some everyday's non-food items shown with strips of indicator paprer.

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Size: 3400px × 2076px
Photo credit: © Kim Christensen / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: -food, acid, alkaline, analysis, arrangement, ashes, cement, chemistry, cleaner, deodorant, drain, education, examples, grade, h3o, household, hydrochloric, indicator, ions, items, measure, objets, paper, paste, ph, powder, scale, science, shampoo, sourness, tooth, vinegar, washing