ACTIVATED SLUDGE AS A SOURCE OF VITAMIN B_<12> : (V) SEASONAL VARIATION OF VITAMIN B_<12> CONTENT IN ACTIVATED SLUDGE

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Other Title
  • ビタミンB_<12>資源としての活性汚泥 : (V)活性汚泥B_<12>含量の季節的変動(1)
  • ビタミンB12資源としての活性汚泥-5-
  • ビタミン B12 シゲン ト シテ ノ カッセイ オデイ 5

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Abstract

Investigations on the seasonal variation of vitamin B_<12> content in activated sludge showed that there seemed to be an optimum temperature for the growth of the microorganisms participating in the production of vitamin B_<12> in activated sludge, since the vitamin B_<12> content was highest in the activated sludge sampled in autumn followed by the spring sample and lowest in the sample obtained in winter and summer.

Journal

  • VITAMINS

    VITAMINS 8 (0), 443-445, 1955

    THE VITAMIN SOCIETY OF JAPAN

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