50.8 MB (3.1 MB compressed)
5163 x 3436 pixels
43.7 x 29.2 cm ⏐ 17.2 x 11.5 in (300dpi)
TURTLE ROCK SCIENTIFIC / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY TURTLE ROCK SCIENTIFIC / SCIENCE SOURCE / SCIENCE PHOTO LIBRARY
Chromium(III) and chromium(VI) solutions. Two beakers containing solutions of chromium (Cr) in different oxidation states: blue 0.025M chromium(III) potassium sulfate (KCr(SO4)2, left) and yellow 0.15M potassium chromate(VI) (K2CrO4, right).
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