作为粘土酸，氧化物表面的酸性较弱，其表面质子逐步解离，使滴定曲线不出现突跃。
As clay acids, the proton on oxide surfaces dissociated gradually, so the titration curves showed no inflexions.
作为粘土酸，氧化物表面的酸性较弱，其表面质子逐步解离，使滴定曲线不出现突跃。
As clay acids, the proton on oxide surfaces dissociated gradually, so the titration curves showed no inflexions.
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