. Practical physiology of plants. Plant physiology; 1894. 24 ASSIMILATION. [CH. II the access of COj while allowing other gases to pass in, the boiled water will after a time become oxygenated. A convenient method is the following. A flask A (fig. 4) is filled with spring water which has been freshly. r^r Fig. 4. Exp. 34. boiled, and filtered from precipitated calcium carbonate; it is connected with the bottle B, half filled with strong KHO solution. The water in A is boiled 20 minutes, with the stop-cock G left open. The flame is now removed and G is closed. As the flask A cools, air is sucke
. Practical physiology of plants. Plant physiology; 1894. 24 ASSIMILATION. [CH. II the access of COj while allowing other gases to pass in, the boiled water will after a time become oxygenated. A convenient method is the following. A flask A (fig. 4) is filled with spring water which has been freshly. r^r Fig. 4. Exp. 34. boiled, and filtered from precipitated calcium carbonate; it is connected with the bottle B, half filled with strong KHO solution. The water in A is boiled 20 minutes, with the stop-cock G left open. The flame is now removed and G is closed. As the flask A cools, air is sucked in by D, and in passing through the KHO in the bottle B, is freed from COjj. The water so prepared is now used for the culture fluid: the vessel containing. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Darwin, Francis, Sir, 1848-1925; Acton, Edward Hamilton, d. 1895; Lindley, Nathaniel Lindley, Baron, 1828-1921. sgn. Cambridge, University Press
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