30.2 MB (1.7 MB compressed)
2657 x 3971 pixels
22.6 x 33.5 cm ⏐ 8.9 x 13.2 in (300dpi)
TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Preparing copper sulphate solution. Student preparing a standard solution of copper sulphate (CuSO4). Here, he has poured the prepared solution into a standard flask and is using a teat pipette to gradually add water to the flask so that the solution reaches the marking on it's neck.
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