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Table 1 Theoretical calculation of the substance content in reaction 5 when it reached equilibrium at different initial His/Co2+ (T = 24 °C, pH = 7, initial cobalt(II) = 5 mM)

From: Effects of cobalt-histidine absorbent on aerobic denitrification by Paracoccus versutus LYM

His/Co2+Co(II)His/initial cobalt(II) (%)Residual Co2+(mg/L)Residual His (mM)
293.83318.1940.6
399.9000.2945
499.9750.07410
599.9890.03315
699.9940.01820
  1. The equilibrium constant under 30 °C was not publicly available, thus the constant was referred from 24 °C