酸化醗酵の應用に關する研究 : (第8報)5ケト・グルコン酸石灰の常壓に於ける接觸還元

概要

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Catalytic hydrogenation of calcium 5-ketogluconate was done at atmospheric pressure. The reaction smoothly proceeded, but the time that was required to finish the reaction was four times as much as that was taken at high pressure (Pasternack & Brown's), and the same product was obtained. The condition of this reaction was studied. The optimal conditions are as follows, 25 grams of calcium 5-ketogluconate are suspended in 100 cc destilled water and treated with 5 grams Rainey nickel catalyst. The pH of this mixed liquor is adjusted to 8.0 by sodinm hydroxide. The reaction is done 60℃ and always agitated.These conditions are the same as those at high pressure without pH value, but the reduction of Rainey nickel activity is more remarkable than that at high pressure.
公益社団法人日本生物工学会の論文
1949-05-15