50.0 MB (1.0 MB compressed)
2530 x 6908 pixels
21.3 x 58.4 cm ⏐ 8.4 x 23.0 in (300dpi)
MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY MARTYN F. CHILLMAID / SCIENCE PHOTO LIBRARY
Sodium hydroxide and iron III sulphate. Test tube containing sodium hydroxide solution reacting with iron III sulphate. This reaction produces a dark brown precipitate of solid iron III hydroxide in a colourless solution of sodium sulphate.
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