Results showed that uranium concentration is closely related with the organic matter, and the organic matter in uranium ore is mainly in the form of humic acids adsorption and humate.

• 铀矿石中腐殖酸及其组分的分离实验数据进一步证实了腐殖酸,特别是其组分富啡酸与后生砂岩铀成矿富集作用的密切联系。