Ph testing device vector illustration isolated on white background. pH meter or tester for measuring acidity and alkalinity of liquid or other substance. ph alkaline neutral and acidic scale. premium vector by SiberianArt

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table color blue vector illustration isolated liquid rain water health food diet standard rainbow icon acid digital measure test balance scale chemical science solution strip neutral soil base chemistry level meter control value chart basic indicator Linear diagram universal alkaline acidic ion bleach hydrogen reagent lye litmus magnesia ph alkali

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