Biochemie der Brandkrankheiten der Getreidearten. I. Mitteilung. Die Kupferadsorption der Weizensteinbrandsporen (Tilletia Tritici [Bjerk.]) aus Kupferverbindungen.

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Abstract
Cu is chemically adsorbed from solution of copper sulphate, chloride, nitrate, and acetate by spores of Tilletia tritici Bjerk. From the first 3 compounds in 1-2% solution the Cu adsorbed in 5 min. is about 1.14%, which increases slightly with increased time and concentration. Adsorption is much greater from copper acetate and increases marketly with increased concentration and time. Adsorbed Cu could not be removed from the spores by washing with water, but cold N/10 HC1 was partly, and hot 10% HCl entirely, effective. Ash analyses of the spores showed no adsorption of anions, the adsorbed Cu being replaced by diffusion from the spores with alkali Ca, Mg and very small amounts of H ion. Cu unites with the phosphoric acid and protein of the spores.

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