Neutral pH-7 displayed on a digital pH measuring device (ECO pH pH-Pocket-Tester by Step Systems)

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Size: 3418px × 5147px
Photo credit: © Shay Levy / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 7, acidity, basicity, chemistry, device, devices, instrument, instruments, measure, measurement, measuring, neutral, ph, psi, science, scientific, shayl