. Contributions from the New York Botanical Garden. Plants. Enzyme o. 10 per cent. Iiu uhation 3 hours at 40 C. In Tables IX, XI, and XII, copper and zinc have the same point of total inhibition, namely w/1024. In those tests the concentration of the enzyme was per cent. Here when the concentration of the enzyme is doubled the relative toxicity is changed. The point of total TABLE XVII COPPER m Control Enzyme Increase 2048 0-33 0-55 1-50 0. 14 1024 C12 • 2t:6 1-^ 128 ZINC. Enzyme o. 15 per cent. Incubation 5 hours a
. Contributions from the New York Botanical Garden. Plants. Enzyme o. 10 per cent. Iiu uhation 3 hours at 40 C. In Tables IX, XI, and XII, copper and zinc have the same point of total inhibition, namely w/1024. In those tests the concentration of the enzyme was per cent. Here when the concentration of the enzyme is doubled the relative toxicity is changed. The point of total TABLE XVII COPPER m Control Enzyme Increase 2048 0-33 0-55 1-50 0. 14 1024 C12 • 2t:6 1-^ 128 ZINC. Enzyme o. 15 per cent. Incubation 5 hours at 40 C. inhibition for copper is w/256 and for zinc w/128. In Table XVII where the concentration of the enzyme is still higher, the difference in toxicity is more pronounced. In the work on ethyl butyrate, cadmium, cobalt, and zinc were. 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 New York Botanical Garden. New York : The Garden
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectplants, bookyear1899
