![](http://www.alamy.com/thumbs/6/086377D3-5782-40F1-B900-D394B6783B28/2RJRBXB.jpg)
A white background with test strips for testing the pH level and a bottle of nitric acid
Size: 4000px × 2667px
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Photo credit: © WireStock / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: accuracy, accurate, acid, acidity, analyze, background, bottle, check, chemistry, concentration, container, detect, experiment, indicator, inspect, laboratory, level, liquid, measure, nitric, ph, precise, research, sample, science, solution, stripes, test, white