The expensive liquid of gold in the gold charcoal, take electrolytic, sink with GSR gold reagent draw gold directly.

解吸载金炭中的含金贵液，不需电解，用GSR沉金试剂直接将金提取。

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The expensive liquid of gold in the gold charcoal, take electrolytic, sink with GSR gold reagent draw gold directly.

解吸载金炭中的含金贵液，不需电解，用GSR沉金试剂直接将金提取。

youdao