Closeup of a box of pH indicator test strips on a white background. Translation box: "100 test strips. pH-indicatorstrips, not bleeding. pH 0-14 univ

---

Size: 5472px × 3648px
Photo credit: © N. Rotteveel / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: acid, acidic, acidity, analysis, analyze, background, base, basicity, biochemistry, biology, box, chemical, color, comparison, contamination, equipment, examination, experiment, fluid, indicator, lab, laboratory, measurement, measuring, metalworking, method, microbiology, paper, parameters, ph, pollution, quick, reaction, reagent, research, science, scientific, scientist, solution, strip, strips, test, testing, treatment, water, white