55.9 MB (3.2 MB compressed)
4779 x 4088 pixels
40.4 x 34.5 cm ⏐ 15.9 x 13.6 in (300dpi)
RICHARD HUTCHINGS / SCIENCE PHOTO LIBRARY RICHARD HUTCHINGS / SCIENCE PHOTO LIBRARY
Editorial use only.
High school chemistry teacher doing a flame test for strontium (Sr) using a wooden stick. A small amount of liquid strontium is placed over a bunsen burner and we notice that it produces a deep orange coloured flame.
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