Charcoal can adsorb colored liquids.
木炭可以吸附有色的液体。
The results show that the proposed fibre is highly stable in structure and can adsorb gold even from aqua regia solution.
结果表明：罗丹宁纤维结构稳定，可在很强的王水溶液中直接富集金。
Cocoon floss contains lots of positive charges in acid solution, so it can adsorb anion dye at acid condition theoretically.
茧衣在酸性条件下含有大量正电荷，对阴离子染料具有很好的吸附作用。
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