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NOAA Photo Library Image - ship4439

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.

Image ID: ship4439, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Photographer: Y. Berard
Credit: Oceanographic Museum of Monaco

Category: Oceanography/

High Resolution Photo Available

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Last Updated:
November 10, 2017