推导硫氰酸盐体系浸金的热力学判据，从热力学角度分析和讨论氧化剂参与下硫氰酸盐浸金的反应过程，比较硫氰酸盐、硫代硫酸盐、硫脲和氰化物浸金的热力学判据和相关参数。

The thermodynamic criterion of the gold leaching with thiocyanate is deduced, the gold leaching reaction with thiocyanate in the presence of oxidant is thermodynamically analyzed and discussed.

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