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Strip of pH paper resting on specimen, with comparison chart

Stock Photo:
Image ID: 8870995
Release Information: N/A
Small
400x500 5.6"x6.9" (72dpi) 218 KB
Med
799x1000 2.7"x3.3" (300dpi) 725 KB
Large
2051x2566 6.8"x8.6" (300dpi) 2.4 MB
Super
4102x5132 13.7"x17.1" (300dpi) approx.6.1 MB
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