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68.7 MB (13.2 MB compressed)
6001 x 4001 pixels
50.8 x 33.8 cm ⏐ 20.0 x 13.3 in (300dpi)
KARL GAFF / SCIENCE PHOTO LIBRARY KARL GAFF / SCIENCE PHOTO LIBRARY
Orthoboric acid, polarised light micrograph. Orthoboric acid, also known as boric acid, is widely used in the cosmetic and pharmaceutical industries, as a nutritional supplement, flame retardant, in the manufacture of glass and fiberglass, and in the production of wood preservatives to control pests and fungus. Magnification: x70 when printed 10cm wide.
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