On some condition, tannin and gallium can form chelate complex, which is stable and can be adsorbed by solid sorbent, e.g. active carbon.
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- 研究发现在一定的实验条件下,单宁和镓生成有色的单宁-镓络合物,此络合物稳定,可以被活性碳等固体吸附剂吸附。