Figure 63. Sorensen device for the determination of H+ ions. This device which measured the pH of water by a colorimetric method was devised by the Danish chemists Soren Peter Lauritz Sorensen and Sven Palitsch and used during the Danish oceanographic expedition on the THOR between 1908 and 1910.
Photo Category: Oceanography
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Added On | 18th October 2015 |
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