. Contributions from the New York Botanical Garden. Plants. 247 BOTANICAL GAZETTE [APRIL found to become equitoxic with increasing concentration of the enzyme. Here the relative toxicity of zinc as compared with that of copper decreases with increasing concentration of the enzyme. In both cases the tendency of zinc to lose in relative toxicity with increasing concen- tration of the enzyme is apparent. TABLE XVIII: Mercury and silver in contemporaneous test MERCURY m Control Enzyme Increase 8192 4096 2048 0. 20 0-33 0-53 0-25, 0-33 0-35 0-53 0 00 1024 CI2 0 00 SILVER 81
. Contributions from the New York Botanical Garden. Plants. 247 BOTANICAL GAZETTE [APRIL found to become equitoxic with increasing concentration of the enzyme. Here the relative toxicity of zinc as compared with that of copper decreases with increasing concentration of the enzyme. In both cases the tendency of zinc to lose in relative toxicity with increasing concen- tration of the enzyme is apparent. TABLE XVIII: Mercury and silver in contemporaneous test MERCURY m Control Enzyme Increase 8192 4096 2048 0. 20 0-33 0-53 0-25, 0-33 0-35 0-53 0 00 1024 CI2 0 00 SILVER 8192. 4096. 2048. 1024. Enzyme o. 10 per cent. Incubation 5 hours at 40° C. Here the point of total inhibition for copper is the same as with the lower concentration of the enzyme in the preceding table, but the zinc TABLE XIX MERCURY m Control Enzyme Increase 8192 4006 0-35 0-35 0-55 2048 1024 1:12 SILVER 8192. 4096. 2048. 1024. 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
